63120656 has 20 divisors (see below), whose sum is σ = 123033792. Its totient is φ = 31370016.

The previous prime is 63120653. The next prime is 63120667. The reversal of 63120656 is 65602136.

It is not an unprimeable number, because it can be changed into a prime (63120653) 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, 9140 + ... + 14483.

Almost surely, 2^63120656 is an apocalyptic number.

It is an amenable number.

63120656 is a deficient number, since it is larger than the sum of its proper divisors (59913136).

63120656 is a wasteful number, since it uses less digits than its factorization.

63120656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23798 (or 23792 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 63120656 is about 7944.8509111248. The cubic root of 63120656 is about 398.1595784416.

The spelling of 63120656 in words is "sixty-three million, one hundred twenty thousand, six hundred fifty-six".