63670993516 has 12 divisors (see below), whose sum is σ = 119995334032. Its totient is φ = 29386612368.

The previous prime is 63670993481. The next prime is 63670993523. The reversal of 63670993516 is 61539907636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612221040 + ... + 612221143.

Almost surely, 2^63670993516 is an apocalyptic number.

It is an amenable number.

63670993516 is a deficient number, since it is larger than the sum of its proper divisors (56324340516).

63670993516 is a wasteful number, since it uses less digits than its factorization.

63670993516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224442200 (or 1224442198 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 55.

The spelling of 63670993516 in words is "sixty-three billion, six hundred seventy million, nine hundred ninety-three thousand, five hundred sixteen".