16979116178 has 8 divisors (see below), whose sum is σ = 25637341440. Its totient is φ = 8433335700.

The previous prime is 16979116123. The next prime is 16979116183. The reversal of 16979116178 is 87161197961.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28110818 + ... + 28111421.

It is an arithmetic number, because the mean of its divisors is an integer number (3204667680).

Almost surely, 2^16979116178 is an apocalyptic number.

16979116178 is a deficient number, since it is larger than the sum of its proper divisors (8658225262).

16979116178 is a wasteful number, since it uses less digits than its factorization.

16979116178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56222392.

The product of its digits is 1143072, while the sum is 56.

The spelling of 16979116178 in words is "sixteen billion, nine hundred seventy-nine million, one hundred sixteen thousand, one hundred seventy-eight".