161465032 has 16 divisors (see below), whose sum is σ = 304422300. Its totient is φ = 80285760.

The previous prime is 161465023. The next prime is 161465071. The reversal of 161465032 is 230564161.

161465032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119552356 + 41912676 = 10934^2 + 6474^2 .

It is a super-2 number, since 2×161465032² = 52141913117522048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54307 + ... + 57202.

Almost surely, 2^161465032 is an apocalyptic number.

It is an amenable number.

161465032 is a deficient number, since it is larger than the sum of its proper divisors (142957268).

161465032 is a wasteful number, since it uses less digits than its factorization.

161465032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111696 (or 111692 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 161465032 is about 12706.8891551001. The cubic root of 161465032 is about 544.5354535383.

The spelling of 161465032 in words is "one hundred sixty-one million, four hundred sixty-five thousand, thirty-two".