106490397161 has 2 divisors, whose sum is σ = 106490397162. Its totient is φ = 106490397160.

The previous prime is 106490397133. The next prime is 106490397163. The reversal of 106490397161 is 161793094601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85231299136 + 21259098025 = 291944^2 + 145805^2 .

It is a cyclic number.

It is not a de Polignac number, because 106490397161 - 2¹⁰ = 106490396137 is a prime.

It is a super-2 number, since 2×106490397161² (a number of 23 digits) contains 22 as substring.

Together with 106490397163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106490397163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53245198580 + 53245198581.

It is an arithmetic number, because the mean of its divisors is an integer number (53245198581).

Almost surely, 2^106490397161 is an apocalyptic number.

It is an amenable number.

106490397161 is a deficient number, since it is larger than the sum of its proper divisors (1).

106490397161 is an equidigital number, since it uses as much as digits as its factorization.

106490397161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 106490397161 in words is "one hundred six billion, four hundred ninety million, three hundred ninety-seven thousand, one hundred sixty-one".