66373167 has 16 divisors (see below), whose sum is σ = 101267712. Its totient is φ = 37879680.

The previous prime is 66373157. The next prime is 66373183. The reversal of 66373167 is 76137366.

It is not a de Polignac number, because 66373167 - 2⁷ = 66373039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66373127) 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, 21463 + ... + 24359.

It is an arithmetic number, because the mean of its divisors is an integer number (6329232).

Almost surely, 2^66373167 is an apocalyptic number.

66373167 is a deficient number, since it is larger than the sum of its proper divisors (34894545).

66373167 is a wasteful number, since it uses less digits than its factorization.

66373167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998.

The product of its digits is 95256, while the sum is 39.

The square root of 66373167 is about 8146.9728734052. The cubic root of 66373167 is about 404.8842162545.

The spelling of 66373167 in words is "sixty-six million, three hundred seventy-three thousand, one hundred sixty-seven".