161125296960 has 56 divisors (see below), whose sum is σ = 511572820896. Its totient is φ = 42966745600.

The previous prime is 161125296923. The next prime is 161125296961. The reversal of 161125296960 is 69692521161.

It is a super-2 number, since 2×161125296960² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161125296961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83918466 + ... + 83920385.

Almost surely, 2^161125296960 is an apocalyptic number.

161125296960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161125296960 is an abundant number, since it is smaller than the sum of its proper divisors (350447523936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161125296960 is a wasteful number, since it uses less digits than its factorization.

161125296960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167838871 (or 167838861 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 161125296960 in words is "one hundred sixty-one billion, one hundred twenty-five million, two hundred ninety-six thousand, nine hundred sixty".