161252332 has 12 divisors (see below), whose sum is σ = 282342816. Its totient is φ = 80582960.

The previous prime is 161252291. The next prime is 161252363. The reversal of 161252332 is 233252161.

161252332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161252297 and 161252306.

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, 1519 + ... + 18022.

It is an arithmetic number, because the mean of its divisors is an integer number (23528568).

Almost surely, 2^161252332 is an apocalyptic number.

It is an amenable number.

161252332 is a deficient number, since it is larger than the sum of its proper divisors (121090484).

161252332 is a wasteful number, since it uses less digits than its factorization.

161252332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21608 (or 21606 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 161252332 is about 12698.5169212786. The cubic root of 161252332 is about 544.2962405747.

The spelling of 161252332 in words is "one hundred sixty-one million, two hundred fifty-two thousand, three hundred thirty-two".