655620266214 has 64 divisors (see below), whose sum is σ = 1464856658880. Its totient is φ = 217352263680.

The previous prime is 655620266177. The next prime is 655620266261. The reversal of 655620266214 is 412662026556.

655620266214 is a `hidden beast` number, since 6 + 5 + 5 + 620 + 2 + 6 + 6 + 2 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 655620266214.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 70666944 + ... + 70676220.

It is an arithmetic number, because the mean of its divisors is an integer number (22888385295).

Almost surely, 2^655620266214 is an apocalyptic number.

655620266214 is an abundant number, since it is smaller than the sum of its proper divisors (809236392666).

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

655620266214 is a wasteful number, since it uses less digits than its factorization.

655620266214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262 (or 16256 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 655620266214 in words is "six hundred fifty-five billion, six hundred twenty million, two hundred sixty-six thousand, two hundred fourteen".