160665215 has 12 divisors (see below), whose sum is σ = 204808296. Its totient is φ = 120970368.

The previous prime is 160665199. The next prime is 160665217. The reversal of 160665215 is 512566061.

It is not a de Polignac number, because 160665215 - 2⁴ = 160665199 is a prime.

It is a super-2 number, since 2×160665215² = 51626622621992450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160665217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54149 + ... + 57038.

It is an arithmetic number, because the mean of its divisors is an integer number (17067358).

Almost surely, 2^160665215 is an apocalyptic number.

160665215 is a deficient number, since it is larger than the sum of its proper divisors (44143081).

160665215 is a wasteful number, since it uses less digits than its factorization.

160665215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111226 (or 111209 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 160665215 is about 12675.3782981022. The cubic root of 160665215 is about 543.6348460952.

The spelling of 160665215 in words is "one hundred sixty million, six hundred sixty-five thousand, two hundred fifteen".