168379431 has 8 divisors (see below), whose sum is σ = 244915584. Its totient is φ = 102048120.

The previous prime is 168379417. The next prime is 168379447. The reversal of 168379431 is 134973861.

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

It is not a de Polignac number, because 168379431 - 2⁵ = 168379399 is a prime.

It is a super-2 number, since 2×168379431² = 56703265567767522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168379031) 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, 2551171 + ... + 2551236.

It is an arithmetic number, because the mean of its divisors is an integer number (30614448).

Almost surely, 2^168379431 is an apocalyptic number.

168379431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

168379431 is a deficient number, since it is larger than the sum of its proper divisors (76536153).

168379431 is a wasteful number, since it uses less digits than its factorization.

168379431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102421.

The product of its digits is 108864, while the sum is 42.

The square root of 168379431 is about 12976.1100103228. The cubic root of 168379431 is about 552.1999282359.

The spelling of 168379431 in words is "one hundred sixty-eight million, three hundred seventy-nine thousand, four hundred thirty-one".