68572794818 has 16 divisors (see below), whose sum is σ = 112214047680. Its totient is φ = 31168335600.

The previous prime is 68572794793. The next prime is 68572794827. The reversal of 68572794818 is 81849727586.

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, 1195643 + ... + 1251681.

It is an arithmetic number, because the mean of its divisors is an integer number (7013377980).

Almost surely, 2^68572794818 is an apocalyptic number.

68572794818 is a deficient number, since it is larger than the sum of its proper divisors (43641252862).

68572794818 is a wasteful number, since it uses less digits than its factorization.

68572794818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111673.

The product of its digits is 54190080, while the sum is 65.

The spelling of 68572794818 in words is "sixty-eight billion, five hundred seventy-two million, seven hundred ninety-four thousand, eight hundred eighteen".