168981083879 has 8 divisors (see below), whose sum is σ = 169082206272. Its totient is φ = 168879997440.

The previous prime is 168981083867. The next prime is 168981083897. The reversal of 168981083879 is 978380189861.

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

It is a cyclic number.

It is not a de Polignac number, because 168981083879 - 2⁴ = 168981083863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168981083839) 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, 22345259 + ... + 22352819.

It is an arithmetic number, because the mean of its divisors is an integer number (21135275784).

Almost surely, 2^168981083879 is an apocalyptic number.

168981083879 is a deficient number, since it is larger than the sum of its proper divisors (101122393).

168981083879 is an equidigital number, since it uses as much as digits as its factorization.

168981083879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17977.

The product of its (nonzero) digits is 41803776, while the sum is 68.

The spelling of 168981083879 in words is "one hundred sixty-eight billion, nine hundred eighty-one million, eighty-three thousand, eight hundred seventy-nine".