652812066 has 24 divisors (see below), whose sum is σ = 1423110000. Its totient is φ = 216268056.

The previous prime is 652812047. The next prime is 652812071. The reversal of 652812066 is 660218256.

652812066 is a `hidden beast` number, since 6 + 528 + 120 + 6 + 6 = 666.

652812066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 652812066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108316 + ... + 114183.

It is an arithmetic number, because the mean of its divisors is an integer number (59296250).

Almost surely, 2^652812066 is an apocalyptic number.

652812066 is an abundant number, since it is smaller than the sum of its proper divisors (770297934).

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

652812066 is a wasteful number, since it uses less digits than its factorization.

652812066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222670 (or 222667 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 652812066 is about 25550.1872008798. The cubic root of 652812066 is about 867.4864987504.

The spelling of 652812066 in words is "six hundred fifty-two million, eight hundred twelve thousand, sixty-six".