161376892957 has 16 divisors (see below), whose sum is σ = 188739624832. Its totient is φ = 135092059200.

The previous prime is 161376892933. The next prime is 161376892979. The reversal of 161376892957 is 759298673161.

It is not a de Polignac number, because 161376892957 - 2³¹ = 159229409309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161376892357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3637207 + ... + 3681307.

It is an arithmetic number, because the mean of its divisors is an integer number (11796226552).

Almost surely, 2^161376892957 is an apocalyptic number.

It is an amenable number.

161376892957 is a deficient number, since it is larger than the sum of its proper divisors (27362731875).

161376892957 is a wasteful number, since it uses less digits than its factorization.

161376892957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56308.

The product of its digits is 34292160, while the sum is 64.

The spelling of 161376892957 in words is "one hundred sixty-one billion, three hundred seventy-six million, eight hundred ninety-two thousand, nine hundred fifty-seven".