368165985 has 16 divisors (see below), whose sum is σ = 642617280. Its totient is φ = 178504640.

The previous prime is 368165977. The next prime is 368166017. The reversal of 368165985 is 589561863.

It is not a de Polignac number, because 368165985 - 2³ = 368165977 is a prime.

It is a super-2 number, since 2×368165985² = 271092385022040450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115490 + ... + 1115819.

It is an arithmetic number, because the mean of its divisors is an integer number (40163580).

Almost surely, 2^368165985 is an apocalyptic number.

It is an amenable number.

368165985 is a deficient number, since it is larger than the sum of its proper divisors (274451295).

368165985 is a wasteful number, since it uses less digits than its factorization.

368165985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231328.

The product of its digits is 1555200, while the sum is 51.

The square root of 368165985 is about 19187.6518886496. The cubic root of 368165985 is about 716.7172993492.

The spelling of 368165985 in words is "three hundred sixty-eight million, one hundred sixty-five thousand, nine hundred eighty-five".