63063666720 has 96 divisors (see below), whose sum is σ = 220722848640. Its totient is φ = 16816976640.

The previous prime is 63063666703. The next prime is 63063666737. The reversal of 63063666720 is 2766636036.

It is an interprime number because it is at equal distance from previous prime (63063666703) and next prime (63063666737).

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7294716 + ... + 7303355.

It is an arithmetic number, because the mean of its divisors is an integer number (2299196340).

Almost surely, 2^63063666720 is an apocalyptic number.

63063666720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63063666720 is an abundant number, since it is smaller than the sum of its proper divisors (157659181920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63063666720 is a wasteful number, since it uses less digits than its factorization.

63063666720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14598095 (or 14598081 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 63063666720 in words is "sixty-three billion, sixty-three million, six hundred sixty-six thousand, seven hundred twenty".