161576123931024 has 160 divisors (see below), whose sum is σ = 456879124435968. Its totient is φ = 48798180288000.

The previous prime is 161576123930971. The next prime is 161576123931097. The reversal of 161576123931024 is 420139321675161.

It is a super-2 number, since 2×161576123931024² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1238227287 + ... + 1238357769.

Almost surely, 2^{161576123931024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161576123931024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228439562217984).

161576123931024 is an abundant number, since it is smaller than the sum of its proper divisors (295303000504944).

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

161576123931024 is a wasteful number, since it uses less digits than its factorization.

161576123931024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138357 (or 138351 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 161576123931024 in words is "one hundred sixty-one trillion, five hundred seventy-six billion, one hundred twenty-three million, nine hundred thirty-one thousand, twenty-four".