161127177596 has 48 divisors (see below), whose sum is σ = 353707065600. Its totient is φ = 62391669120.

The previous prime is 161127177503. The next prime is 161127177599. The reversal of 161127177596 is 695771721161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161127177599) 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, 1554521 + ... + 1654928.

It is an arithmetic number, because the mean of its divisors is an integer number (7368897200).

Almost surely, 2^161127177596 is an apocalyptic number.

It is an amenable number.

161127177596 is an abundant number, since it is smaller than the sum of its proper divisors (192579888004).

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

161127177596 is a wasteful number, since it uses less digits than its factorization.

161127177596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209634 (or 3209632 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 53.

The spelling of 161127177596 in words is "one hundred sixty-one billion, one hundred twenty-seven million, one hundred seventy-seven thousand, five hundred ninety-six".