3553380656 has 20 divisors (see below), whose sum is σ = 7868200272. Its totient is φ = 1522877376.

The previous prime is 3553380641. The next prime is 3553380667. The reversal of 3553380656 is 6560833553.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15863195 + ... + 15863418.

Almost surely, 2^3553380656 is an apocalyptic number.

It is an amenable number.

3553380656 is an abundant number, since it is smaller than the sum of its proper divisors (4314819616).

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

3553380656 is a wasteful number, since it uses less digits than its factorization.

3553380656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31726628 (or 31726622 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The square root of 3553380656 is about 59610.2395230886. The cubic root of 3553380656 is about 1525.9743884504.

The spelling of 3553380656 in words is "three billion, five hundred fifty-three million, three hundred eighty thousand, six hundred fifty-six".