161215160 has 16 divisors (see below), whose sum is σ = 362734200. Its totient is φ = 64486048.

The previous prime is 161215141. The next prime is 161215177. The reversal of 161215160 is 61512161.

161215160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2015150 + ... + 2015229.

Almost surely, 2^161215160 is an apocalyptic number.

161215160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161215160 is an abundant number, since it is smaller than the sum of its proper divisors (201519040).

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

161215160 is a wasteful number, since it uses less digits than its factorization.

161215160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030390 (or 4030386 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 161215160 is about 12697.0532014322. The cubic root of 161215160 is about 544.2544135109.

The spelling of 161215160 in words is "one hundred sixty-one million, two hundred fifteen thousand, one hundred sixty".