204827147664 has 80 divisors (see below), whose sum is σ = 546335698944. Its totient is φ = 66057552000.

The previous prime is 204827147627. The next prime is 204827147687. The reversal of 204827147664 is 466741728402.

It is a happy number.

204827147664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7353187 + ... + 7380989.

Almost surely, 2^204827147664 is an apocalyptic number.

204827147664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204827147664 is an abundant number, since it is smaller than the sum of its proper divisors (341508551280).

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

204827147664 is a wasteful number, since it uses less digits than its factorization.

204827147664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32796 (or 32790 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 204827147664 in words is "two hundred four billion, eight hundred twenty-seven million, one hundred forty-seven thousand, six hundred sixty-four".