3622656656 has 20 divisors (see below), whose sum is σ = 7020566652. Its totient is φ = 1810897536.

The previous prime is 3622656619. The next prime is 3622656659. The reversal of 3622656656 is 6566562263.

It can be written as a sum of positive squares in 2 ways, for example, as 341658256 + 3280998400 = 18484^2 + 57280^2 .

It is a super-2 number, since 2×3622656656² = 26247282494522204672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3622656656.

It is not an unprimeable number, because it can be changed into a prime (3622656659) 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, 48926 + ... + 98178.

Almost surely, 2^3622656656 is an apocalyptic number.

It is an amenable number.

3622656656 is a deficient number, since it is larger than the sum of its proper divisors (3397909996).

3622656656 is a wasteful number, since it uses less digits than its factorization.

3622656656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53858 (or 53852 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 47.

The square root of 3622656656 is about 60188.5093352543. The cubic root of 3622656656 is about 1535.8273302175.

The spelling of 3622656656 in words is "three billion, six hundred twenty-two million, six hundred fifty-six thousand, six hundred fifty-six".