167139973 has 16 divisors (see below), whose sum is σ = 224413056. Its totient is φ = 120219840.

The previous prime is 167139961. The next prime is 167139977. The reversal of 167139973 is 379931761.

It is not a de Polignac number, because 167139973 - 2¹³ = 167131781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167139977) 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, 82486 + ... + 84487.

It is an arithmetic number, because the mean of its divisors is an integer number (14025816).

Almost surely, 2^167139973 is an apocalyptic number.

167139973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

167139973 is a deficient number, since it is larger than the sum of its proper divisors (57273083).

167139973 is a wasteful number, since it uses less digits than its factorization.

167139973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167004.

The product of its digits is 214326, while the sum is 46.

The square root of 167139973 is about 12928.2625669500. The cubic root of 167139973 is about 550.8416568226.

The spelling of 167139973 in words is "one hundred sixty-seven million, one hundred thirty-nine thousand, nine hundred seventy-three".