3261402200656 has 20 divisors (see below), whose sum is σ = 6319213749792. Its totient is φ = 1630637362016.

The previous prime is 3261402200599. The next prime is 3261402200669. The reversal of 3261402200656 is 6560022041623.

It is a congruent number.

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, 3560140 + ... + 4381483.

Almost surely, 2^{3261402200656} is an apocalyptic number.

It is an amenable number.

3261402200656 is a deficient number, since it is larger than the sum of its proper divisors (3057811549136).

3261402200656 is a wasteful number, since it uses less digits than its factorization.

3261402200656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967298 (or 7967292 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 3261402200656 in words is "three trillion, two hundred sixty-one billion, four hundred two million, two hundred thousand, six hundred fifty-six".