204051616 has 12 divisors (see below), whose sum is σ = 401726682. Its totient is φ = 102025792.

The previous prime is 204051611. The next prime is 204051623. The reversal of 204051616 is 616150402.

It can be written as a sum of positive squares in only one way, i.e., 112275216 + 91776400 = 10596^2 + 9580^2 .

It is a super-2 number, since 2×204051616² = 83274123984422912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204051611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188275 + ... + 3188338.

Almost surely, 2^204051616 is an apocalyptic number.

It is an amenable number.

204051616 is a deficient number, since it is larger than the sum of its proper divisors (197675066).

204051616 is an equidigital number, since it uses as much as digits as its factorization.

204051616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376623 (or 6376615 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 204051616 is about 14284.6636642239. The cubic root of 204051616 is about 588.7261764033.

The spelling of 204051616 in words is "two hundred four million, fifty-one thousand, six hundred sixteen".