68866210824 has 16 divisors (see below), whose sum is σ = 172165527120. Its totient is φ = 22955403600.

The previous prime is 68866210813. The next prime is 68866210879. The reversal of 68866210824 is 42801266886.

It is a super-2 number, since 2×68866210824² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434712702 + ... + 1434712749.

It is an arithmetic number, because the mean of its divisors is an integer number (10760345445).

Almost surely, 2^68866210824 is an apocalyptic number.

It is an amenable number.

68866210824 is an abundant number, since it is smaller than the sum of its proper divisors (103299316296).

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

68866210824 is a wasteful number, since it uses less digits than its factorization.

68866210824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869425460 (or 2869425456 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 68866210824 in words is "sixty-eight billion, eight hundred sixty-six million, two hundred ten thousand, eight hundred twenty-four".