68564507130 has 128 divisors (see below), whose sum is σ = 219956428800. Its totient is φ = 14847043392.

The previous prime is 68564507129. The next prime is 68564507171. The reversal of 68564507130 is 3170546586.

68564507130 is a `hidden beast` number, since 6 + 8 + 5 + 6 + 4 + 507 + 130 = 666.

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 63 ways as a sum of consecutive naturals, for example, 918762 + ... + 990581.

It is an arithmetic number, because the mean of its divisors is an integer number (1718409600).

Almost surely, 2^68564507130 is an apocalyptic number.

68564507130 is an abundant number, since it is smaller than the sum of its proper divisors (151391921670).

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

68564507130 is a wasteful number, since it uses less digits than its factorization.

68564507130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909385 (or 1909379 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 68564507130 in words is "sixty-eight billion, five hundred sixty-four million, five hundred seven thousand, one hundred thirty".