68667976171 has 8 divisors (see below), whose sum is σ = 72292446800. Its totient is φ = 65044542240.

The previous prime is 68667976151. The next prime is 68667976219. The reversal of 68667976171 is 17167976686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68667976171 - 2⁷ = 68667976043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68667976151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121320 + ... + 389941.

It is an arithmetic number, because the mean of its divisors is an integer number (9036555850).

Almost surely, 2^68667976171 is an apocalyptic number.

68667976171 is a deficient number, since it is larger than the sum of its proper divisors (3624470629).

68667976171 is a wasteful number, since it uses less digits than its factorization.

68667976171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518349.

The product of its digits is 32006016, while the sum is 64.

The spelling of 68667976171 in words is "sixty-eight billion, six hundred sixty-seven million, nine hundred seventy-six thousand, one hundred seventy-one".