167872492 has 12 divisors (see below), whose sum is σ = 306549936. Its totient is φ = 80286800.

The previous prime is 167872483. The next prime is 167872493. The reversal of 167872492 is 294278761.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (167872493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912259 + ... + 912442.

It is an arithmetic number, because the mean of its divisors is an integer number (25545828).

Almost surely, 2^167872492 is an apocalyptic number.

It is an amenable number.

167872492 is a deficient number, since it is larger than the sum of its proper divisors (138677444).

167872492 is a wasteful number, since it uses less digits than its factorization.

167872492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824728 (or 1824726 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 167872492 is about 12956.5617352753. The cubic root of 167872492 is about 551.6452027603.

The spelling of 167872492 in words is "one hundred sixty-seven million, eight hundred seventy-two thousand, four hundred ninety-two".