167855131 has 2 divisors, whose sum is σ = 167855132. Its totient is φ = 167855130.

The previous prime is 167855123. The next prime is 167855159. The reversal of 167855131 is 131558761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 167855131 - 2³ = 167855123 is a prime.

It is a super-4 number, since 4×167855131⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (167850131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83927565 + 83927566.

It is an arithmetic number, because the mean of its divisors is an integer number (83927566).

Almost surely, 2^167855131 is an apocalyptic number.

167855131 is a deficient number, since it is larger than the sum of its proper divisors (1).

167855131 is an equidigital number, since it uses as much as digits as its factorization.

167855131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 37.

The square root of 167855131 is about 12955.8917485444. The cubic root of 167855131 is about 551.6261854644.

The spelling of 167855131 in words is "one hundred sixty-seven million, eight hundred fifty-five thousand, one hundred thirty-one".