68164381290 has 16 divisors (see below), whose sum is σ = 163594515168. Its totient is φ = 18177168336.

The previous prime is 68164381283. The next prime is 68164381309. The reversal of 68164381290 is 9218346186.

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, 1136072992 + ... + 1136073051.

It is an arithmetic number, because the mean of its divisors is an integer number (10224657198).

Almost surely, 2^68164381290 is an apocalyptic number.

68164381290 is an abundant number, since it is smaller than the sum of its proper divisors (95430133878).

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

68164381290 is a wasteful number, since it uses less digits than its factorization.

68164381290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272146053.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 68164381290 in words is "sixty-eight billion, one hundred sixty-four million, three hundred eighty-one thousand, two hundred ninety".