14660564640 has 96 divisors (see below), whose sum is σ = 47670529536. Its totient is φ = 3783367680.

The previous prime is 14660564623. The next prime is 14660564651. The reversal of 14660564640 is 4646506641.

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

It is a junction number, because it is equal to n+sod(n) for n = 14660564592 and 14660564601.

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, 477747 + ... + 507506.

It is an arithmetic number, because the mean of its divisors is an integer number (496568016).

Almost surely, 2^14660564640 is an apocalyptic number.

14660564640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14660564640 is an abundant number, since it is smaller than the sum of its proper divisors (33009964896).

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

14660564640 is a wasteful number, since it uses less digits than its factorization.

14660564640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985302 (or 985294 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 14660564640 in words is "fourteen billion, six hundred sixty million, five hundred sixty-four thousand, six hundred forty".