68064990802 has 16 divisors (see below), whose sum is σ = 105327113472. Its totient is φ = 32964202800.

The previous prime is 68064990793. The next prime is 68064990859. The reversal of 68064990802 is 20809946086.

It is a self number, because there is not a number n which added to its sum of digits gives 68064990802.

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, 2045824 + ... + 2078827.

It is an arithmetic number, because the mean of its divisors is an integer number (6582944592).

Almost surely, 2^68064990802 is an apocalyptic number.

68064990802 is a deficient number, since it is larger than the sum of its proper divisors (37262122670).

68064990802 is a wasteful number, since it uses less digits than its factorization.

68064990802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124913.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 68064990802 in words is "sixty-eight billion, sixty-four million, nine hundred ninety thousand, eight hundred two".