652646572680 has 32 divisors (see below), whose sum is σ = 1957939718400. Its totient is φ = 174039086016.

The previous prime is 652646572673. The next prime is 652646572691. The reversal of 652646572680 is 86275646256.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 652646572680.

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, 2719360600 + ... + 2719360839.

It is an arithmetic number, because the mean of its divisors is an integer number (61185616200).

Almost surely, 2^652646572680 is an apocalyptic number.

652646572680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652646572680 is an abundant number, since it is smaller than the sum of its proper divisors (1305293145720).

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

652646572680 is a wasteful number, since it uses less digits than its factorization.

652646572680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438721453 (or 5438721449 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 652646572680 in words is "six hundred fifty-two billion, six hundred forty-six million, five hundred seventy-two thousand, six hundred eighty".