204166160 has 40 divisors (see below), whose sum is σ = 517841856. Its totient is φ = 74241920.

The previous prime is 204166159. The next prime is 204166199. The reversal of 204166160 is 61661402.

It is a happy number.

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

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, 115124 + ... + 116883.

Almost surely, 2^204166160 is an apocalyptic number.

204166160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204166160 is an abundant number, since it is smaller than the sum of its proper divisors (313675696).

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

204166160 is a wasteful number, since it uses less digits than its factorization.

204166160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232031 (or 232025 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 204166160 is about 14288.6724365842. The cubic root of 204166160 is about 588.8363159164.

The spelling of 204166160 in words is "two hundred four million, one hundred sixty-six thousand, one hundred sixty".