63107666720 has 96 divisors (see below), whose sum is σ = 170474709888. Its totient is φ = 21626247168.

The previous prime is 63107666701. The next prime is 63107666737. The reversal of 63107666720 is 2766670136.

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, 2454572 + ... + 2480148.

It is an arithmetic number, because the mean of its divisors is an integer number (1775778228).

Almost surely, 2^63107666720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63107666720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85237354944).

63107666720 is an abundant number, since it is smaller than the sum of its proper divisors (107367043168).

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

63107666720 is a wasteful number, since it uses less digits than its factorization.

63107666720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802 (or 27794 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

It can be divided in two parts, 631076 and 66720, that added together give a palindrome (697796).

The spelling of 63107666720 in words is "sixty-three billion, one hundred seven million, six hundred sixty-six thousand, seven hundred twenty".