166372167 has 16 divisors (see below), whose sum is σ = 239163008. Its totient is φ = 102267360.

The previous prime is 166372147. The next prime is 166372177. The reversal of 166372167 is 761273661.

It is not a de Polignac number, because 166372167 - 2⁷ = 166372039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166372127) 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, 43848 + ... + 47490.

It is an arithmetic number, because the mean of its divisors is an integer number (14947688).

Almost surely, 2^166372167 is an apocalyptic number.

166372167 is a deficient number, since it is larger than the sum of its proper divisors (72790841).

166372167 is a wasteful number, since it uses less digits than its factorization.

166372167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830.

The product of its digits is 63504, while the sum is 39.

The square root of 166372167 is about 12898.5335212961. The cubic root of 166372167 is about 549.9968782192.

The spelling of 166372167 in words is "one hundred sixty-six million, three hundred seventy-two thousand, one hundred sixty-seven".