161935160 has 48 divisors (see below), whose sum is σ = 368708760. Its totient is φ = 64008000.

The previous prime is 161935153. The next prime is 161935171. The reversal of 161935160 is 61539161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645035 + ... + 645285.

Almost surely, 2^161935160 is an apocalyptic number.

161935160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161935160 is an abundant number, since it is smaller than the sum of its proper divisors (206773600).

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

161935160 is a wasteful number, since it uses less digits than its factorization.

161935160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 161935160 is about 12725.3746506734. The cubic root of 161935160 is about 545.0634384533.

The spelling of 161935160 in words is "one hundred sixty-one million, nine hundred thirty-five thousand, one hundred sixty".