168081879 has 8 divisors (see below), whose sum is σ = 256124800. Its totient is φ = 96046776.

The previous prime is 168081869. The next prime is 168081887. The reversal of 168081879 is 978180861.

168081879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 168081879 - 2⁴ = 168081863 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 (168081829) 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, 4001929 + ... + 4001970.

It is an arithmetic number, because the mean of its divisors is an integer number (32015600).

Almost surely, 2^168081879 is an apocalyptic number.

168081879 is a deficient number, since it is larger than the sum of its proper divisors (88042921).

168081879 is an equidigital number, since it uses as much as digits as its factorization.

168081879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003909.

The product of its (nonzero) digits is 193536, while the sum is 48.

The square root of 168081879 is about 12964.6395630577. The cubic root of 168081879 is about 551.8744627618.

The spelling of 168081879 in words is "one hundred sixty-eight million, eighty-one thousand, eight hundred seventy-nine".