168463931 has 8 divisors (see below), whose sum is σ = 178582320. Its totient is φ = 158368768.

The previous prime is 168463913. The next prime is 168463943. The reversal of 168463931 is 139364861.

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 168463931 - 2¹⁴ = 168447547 is a prime.

It is a super-2 number, since 2×168463931² = 56760192095945522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168463961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10460 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (22322790).

Almost surely, 2^168463931 is an apocalyptic number.

168463931 is a deficient number, since it is larger than the sum of its proper divisors (10118389).

168463931 is a wasteful number, since it uses less digits than its factorization.

168463931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613.

The product of its digits is 93312, while the sum is 41.

The square root of 168463931 is about 12979.3655854206. The cubic root of 168463931 is about 552.2922853018.

The spelling of 168463931 in words is "one hundred sixty-eight million, four hundred sixty-three thousand, nine hundred thirty-one".