161602177476 has 48 divisors (see below), whose sum is σ = 378067626944. Its totient is φ = 53725234176.

The previous prime is 161602177393. The next prime is 161602177487. The reversal of 161602177476 is 674771206161.

It is a super-2 number, since 2×161602177476² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15366396 + ... + 15376908.

Almost surely, 2^161602177476 is an apocalyptic number.

It is an amenable number.

161602177476 is an abundant number, since it is smaller than the sum of its proper divisors (216465449468).

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

161602177476 is a wasteful number, since it uses less digits than its factorization.

161602177476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780 (or 13778 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 161602177476 in words is "one hundred sixty-one billion, six hundred two million, one hundred seventy-seven thousand, four hundred seventy-six".