167138953 has 16 divisors (see below), whose sum is σ = 188565120. Its totient is φ = 147350016.

The previous prime is 167138947. The next prime is 167138971. The reversal of 167138953 is 359831761.

It is not a de Polignac number, because 167138953 - 2⁵ = 167138921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (167135953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11001 + ... + 21337.

It is an arithmetic number, because the mean of its divisors is an integer number (11785320).

Almost surely, 2^167138953 is an apocalyptic number.

It is an amenable number.

167138953 is a deficient number, since it is larger than the sum of its proper divisors (21426167).

167138953 is a wasteful number, since it uses less digits than its factorization.

167138953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its digits is 136080, while the sum is 43.

The square root of 167138953 is about 12928.2231184336. The cubic root of 167138953 is about 550.8405362855.

The spelling of 167138953 in words is "one hundred sixty-seven million, one hundred thirty-eight thousand, nine hundred fifty-three".