656214225416 has 16 divisors (see below), whose sum is σ = 1244226411900. Its totient is φ = 324420515584.

The previous prime is 656214225367. The next prime is 656214225419. The reversal of 656214225416 is 614522412656.

It can be written as a sum of positive squares in 2 ways, for example, as 649200832900 + 7013392516 = 805730^2 + 83746^2 .

It is not an unprimeable number, because it can be changed into a prime (656214225419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460823885 + ... + 460825308.

Almost surely, 2^656214225416 is an apocalyptic number.

It is an amenable number.

656214225416 is a deficient number, since it is larger than the sum of its proper divisors (588012186484).

656214225416 is a wasteful number, since it uses less digits than its factorization.

656214225416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921649288 (or 921649284 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The spelling of 656214225416 in words is "six hundred fifty-six billion, two hundred fourteen million, two hundred twenty-five thousand, four hundred sixteen".