161050452631 has 2 divisors, whose sum is σ = 161050452632. Its totient is φ = 161050452630.

The previous prime is 161050452587. The next prime is 161050452653. The reversal of 161050452631 is 136254050161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161050452631 - 2³⁵ = 126690714263 is a prime.

It is a super-2 number, since 2×161050452631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161050452691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80525226315 + 80525226316.

It is an arithmetic number, because the mean of its divisors is an integer number (80525226316).

Almost surely, 2^161050452631 is an apocalyptic number.

161050452631 is a deficient number, since it is larger than the sum of its proper divisors (1).

161050452631 is an equidigital number, since it uses as much as digits as its factorization.

161050452631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 161050452631 in words is "one hundred sixty-one billion, fifty million, four hundred fifty-two thousand, six hundred thirty-one".