63660615107 has 2 divisors, whose sum is σ = 63660615108. Its totient is φ = 63660615106.

The previous prime is 63660615059. The next prime is 63660615157. The reversal of 63660615107 is 70151606636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63660615107 - 2¹⁴ = 63660598723 is a prime.

It is not a weakly prime, because it can be changed into another prime (63660615157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31830307553 + 31830307554.

It is an arithmetic number, because the mean of its divisors is an integer number (31830307554).

Almost surely, 2^63660615107 is an apocalyptic number.

63660615107 is a deficient number, since it is larger than the sum of its proper divisors (1).

63660615107 is an equidigital number, since it uses as much as digits as its factorization.

63660615107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 63660615107 in words is "sixty-three billion, six hundred sixty million, six hundred fifteen thousand, one hundred seven".