166525167 has 8 divisors (see below), whose sum is σ = 222093360. Its totient is φ = 110986880.

The previous prime is 166525153. The next prime is 166525171. The reversal of 166525167 is 761525661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166525167 - 2⁶ = 166525103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166521167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16567 + ... + 24647.

It is an arithmetic number, because the mean of its divisors is an integer number (27761670).

Almost surely, 2^166525167 is an apocalyptic number.

166525167 is a deficient number, since it is larger than the sum of its proper divisors (55568193).

166525167 is an equidigital number, since it uses as much as digits as its factorization.

166525167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14953.

The product of its digits is 75600, while the sum is 39.

The square root of 166525167 is about 12904.4630651570. The cubic root of 166525167 is about 550.1654235188.

The spelling of 166525167 in words is "one hundred sixty-six million, five hundred twenty-five thousand, one hundred sixty-seven".