652564866366 has 72 divisors (see below), whose sum is σ = 1652995234800. Its totient is φ = 185510134656.

The previous prime is 652564866341. The next prime is 652564866379. The reversal of 652564866366 is 663668465256.

652564866366 is a `hidden beast` number, since 6 + 5 + 2 + 564 + 8 + 6 + 6 + 3 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1683451 + ... + 2034486.

It is an arithmetic number, because the mean of its divisors is an integer number (22958267150).

Almost surely, 2^652564866366 is an apocalyptic number.

652564866366 is an abundant number, since it is smaller than the sum of its proper divisors (1000430368434).

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

652564866366 is a wasteful number, since it uses less digits than its factorization.

652564866366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718158 (or 3718148 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 63.

The spelling of 652564866366 in words is "six hundred fifty-two billion, five hundred sixty-four million, eight hundred sixty-six thousand, three hundred sixty-six".