63660615106 has 12 divisors (see below), whose sum is σ = 104961097206. Its totient is φ = 28936643120.

The previous prime is 63660615059. The next prime is 63660615107. The reversal of 63660615106 is 60151606636.

It can be written as a sum of positive squares in only one way, i.e., 37801080625 + 25859534481 = 194425^2 + 160809^2 .

It is not an unprimeable number, because it can be changed into a prime (63660615107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131529955 + ... + 131530438.

Almost surely, 2^63660615106 is an apocalyptic number.

63660615106 is a deficient number, since it is larger than the sum of its proper divisors (41300482100).

63660615106 is a wasteful number, since it uses less digits than its factorization.

63660615106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263060417 (or 263060406 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 63660615106 in words is "sixty-three billion, six hundred sixty million, six hundred fifteen thousand, one hundred six".