167172167 has 4 divisors (see below), whose sum is σ = 167198280. Its totient is φ = 167146056.

The previous prime is 167172151. The next prime is 167172191. The reversal of 167172167 is 761271761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 167172167 - 2⁴ = 167172151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 167172167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167172197) 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, 3809 + ... + 18677.

It is an arithmetic number, because the mean of its divisors is an integer number (41799570).

Almost surely, 2^167172167 is an apocalyptic number.

167172167 is a deficient number, since it is larger than the sum of its proper divisors (26113).

167172167 is a wasteful number, since it uses less digits than its factorization.

167172167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26112.

The product of its digits is 24696, while the sum is 38.

The square root of 167172167 is about 12929.5076085673. The cubic root of 167172167 is about 550.8770217077.

The spelling of 167172167 in words is "one hundred sixty-seven million, one hundred seventy-two thousand, one hundred sixty-seven".