161501496 has 64 divisors (see below), whose sum is σ = 460404000. Its totient is φ = 46768128.

The previous prime is 161501453. The next prime is 161501503. The reversal of 161501496 is 694105161.

It is a congruent number.

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, 9921 + ... + 20528.

Almost surely, 2^161501496 is an apocalyptic number.

It is an amenable number.

161501496 is an abundant number, since it is smaller than the sum of its proper divisors (298902504).

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

161501496 is a wasteful number, since it uses less digits than its factorization.

161501496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30488 (or 30484 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 161501496 is about 12708.3238863353. The cubic root of 161501496 is about 544.5764416623.

The spelling of 161501496 in words is "one hundred sixty-one million, five hundred one thousand, four hundred ninety-six".