652201664 has 28 divisors (see below), whose sum is σ = 1329196224. Its totient is φ = 317286144.

The previous prime is 652201621. The next prime is 652201673. The reversal of 652201664 is 466102256.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 652201664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135344 + ... + 140079.

Almost surely, 2^652201664 is an apocalyptic number.

652201664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

652201664 is an abundant number, since it is smaller than the sum of its proper divisors (676994560).

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

652201664 is a wasteful number, since it uses less digits than its factorization.

652201664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275472 (or 275462 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 652201664 is about 25538.2392501911. The cubic root of 652201664 is about 867.2160377475.

The spelling of 652201664 in words is "six hundred fifty-two million, two hundred one thousand, six hundred sixty-four".