204764585151 has 64 divisors (see below), whose sum is σ = 334955520000. Its totient is φ = 108663161472.

The previous prime is 204764585099. The next prime is 204764585159. The reversal of 204764585151 is 151585467402.

It is a happy number.

It is not a de Polignac number, because 204764585151 - 2⁶ = 204764585087 is a prime.

It is a super-2 number, since 2×204764585151² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204764585151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204764585159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8439105 + ... + 8463333.

It is an arithmetic number, because the mean of its divisors is an integer number (5233680000).

Almost surely, 2^204764585151 is an apocalyptic number.

204764585151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204764585151 is a deficient number, since it is larger than the sum of its proper divisors (130190934849).

204764585151 is a wasteful number, since it uses less digits than its factorization.

204764585151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24676.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 204764585151 in words is "two hundred four billion, seven hundred sixty-four million, five hundred eighty-five thousand, one hundred fifty-one".