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164368429 is a prime number
BaseRepresentation
bin10011100110000…
…01000000101101
3102110021210002121
421303001000231
5314034242204
624150552541
74034052151
oct1163010055
9373253077
10164368429
1184866485
1247068751
132808cc34
1417b89061
15e66bb54
hex9cc102d

164368429 has 2 divisors, whose sum is σ = 164368430. Its totient is φ = 164368428.

The previous prime is 164368397. The next prime is 164368441. The reversal of 164368429 is 924863461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133864900 + 30503529 = 11570^2 + 5523^2 .

It is a cyclic number.

It is not a de Polignac number, because 164368429 - 25 = 164368397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164368459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82184214 + 82184215.

It is an arithmetic number, because the mean of its divisors is an integer number (82184215).

Almost surely, 2164368429 is an apocalyptic number.

It is an amenable number.

164368429 is a deficient number, since it is larger than the sum of its proper divisors (1).

164368429 is an equidigital number, since it uses as much as digits as its factorization.

164368429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 164368429 is about 12820.6251407644. The cubic root of 164368429 is about 547.7799534332.

The spelling of 164368429 in words is "one hundred sixty-four million, three hundred sixty-eight thousand, four hundred twenty-nine".