160665520 has 40 divisors (see below), whose sum is σ = 393211440. Its totient is φ = 60883200.

The previous prime is 160665493. The next prime is 160665551. The reversal of 160665520 is 25566061.

160665520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51331 + ... + 54370.

It is an arithmetic number, because the mean of its divisors is an integer number (9830286).

Almost surely, 2^160665520 is an apocalyptic number.

160665520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160665520 is an abundant number, since it is smaller than the sum of its proper divisors (232545920).

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

160665520 is a wasteful number, since it uses less digits than its factorization.

160665520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105733 (or 105727 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 160665520 is about 12675.3903292956. The cubic root of 160665520 is about 543.6351900994.

The spelling of 160665520 in words is "one hundred sixty million, six hundred sixty-five thousand, five hundred twenty".