63660992 has 28 divisors (see below), whose sum is σ = 127055880. Its totient is φ = 31646976.

The previous prime is 63660977. The next prime is 63661049. The reversal of 63660992 is 29906636.

63660992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8678 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (4537710).

Almost surely, 2^63660992 is an apocalyptic number.

It is an amenable number.

63660992 is a deficient number, since it is larger than the sum of its proper divisors (63394888).

63660992 is a wasteful number, since it uses less digits than its factorization.

63660992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748 (or 5738 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 63660992 is about 7978.7838672319. The cubic root of 63660992 is about 399.2924826191.

The spelling of 63660992 in words is "sixty-three million, six hundred sixty thousand, nine hundred ninety-two".