656212324066 has 32 divisors (see below), whose sum is σ = 1123803813888. Its totient is φ = 285175753920.

The previous prime is 656212324051. The next prime is 656212324067. The reversal of 656212324066 is 660423212656.

656212324066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×656212324066² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (656212324067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10972330 + ... + 11031973.

It is an arithmetic number, because the mean of its divisors is an integer number (35118869184).

Almost surely, 2^656212324066 is an apocalyptic number.

656212324066 is a deficient number, since it is larger than the sum of its proper divisors (467591489822).

656212324066 is a wasteful number, since it uses less digits than its factorization.

656212324066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22004386.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 656212324066 in words is "six hundred fifty-six billion, two hundred twelve million, three hundred twenty-four thousand, sixty-six".