167408402 has 18 divisors (see below), whose sum is σ = 292334247. Its totient is φ = 71691564.

The previous prime is 167408399. The next prime is 167408419. The reversal of 167408402 is 204804761.

It can be written as a sum of positive squares in only one way, i.e., 83704201 + 83704201 = 9149^2 + 9149^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9149.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127433 + ... + 128739.

Almost surely, 2^167408402 is an apocalyptic number.

167408402 is a deficient number, since it is larger than the sum of its proper divisors (124925845).

167408402 is an frugal number, since it uses more digits than its factorization.

167408402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 167408402 is about 12938.6398821514. The cubic root of 167408402 is about 551.1363854204.

Multiplying 167408402 by its sum of digits (32), we get a square (5357068864 = 73192²).

The spelling of 167408402 in words is "one hundred sixty-seven million, four hundred eight thousand, four hundred two".