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169196000081 is a prime number
BaseRepresentation
bin1001110110010011011…
…1100001001101010001
3121011201120010100120112
42131210313201031101
510233003134000311
6205421053251105
715136556162033
oct2354467411521
9534646110515
10169196000081
1165834805129
122895b493a95
1312c555036a4
148290d89c53
154603e8328b
hex2764de1351

169196000081 has 2 divisors, whose sum is σ = 169196000082. Its totient is φ = 169196000080.

The previous prime is 169196000033. The next prime is 169196000101. The reversal of 169196000081 is 180000691961.

It is a happy number.

169196000081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147348499600 + 21847500481 = 383860^2 + 147809^2 .

It is an emirp because it is prime and its reverse (180000691961) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 180000961691 and 196169000081.

It is a cyclic number.

It is not a de Polignac number, because 169196000081 - 234 = 152016130897 is a prime.

It is a super-2 number, since 2×1691960000812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (169196000381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84598000040 + 84598000041.

It is an arithmetic number, because the mean of its divisors is an integer number (84598000041).

Almost surely, 2169196000081 is an apocalyptic number.

It is an amenable number.

169196000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

169196000081 is an equidigital number, since it uses as much as digits as its factorization.

169196000081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 169196000081 in words is "one hundred sixty-nine billion, one hundred ninety-six million, eighty-one", and thus it is an aban number.