63660960080 has 40 divisors (see below), whose sum is σ = 153115590600. Its totient is φ = 24586300928.

The previous prime is 63660960053. The next prime is 63660960101. The reversal of 63660960080 is 8006906636.

63660960080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13873070656 + 49787889424 = 117784^2 + 223132^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13717715 + ... + 13722354.

It is an arithmetic number, because the mean of its divisors is an integer number (3827889765).

Almost surely, 2^63660960080 is an apocalyptic number.

It is an amenable number.

63660960080 is an abundant number, since it is smaller than the sum of its proper divisors (89454630520).

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

63660960080 is a wasteful number, since it uses less digits than its factorization.

63660960080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27440111 (or 27440105 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 63660960080 in words is "sixty-three billion, six hundred sixty million, nine hundred sixty thousand, eighty".