66132158 has 8 divisors (see below), whose sum is σ = 99345528. Its totient is φ = 33016984.

The previous prime is 66132127. The next prime is 66132161. The reversal of 66132158 is 85123166.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22841 + ... + 25572.

It is an arithmetic number, because the mean of its divisors is an integer number (12418191).

Almost surely, 2^66132158 is an apocalyptic number.

66132158 is a deficient number, since it is larger than the sum of its proper divisors (33213370).

66132158 is a wasteful number, since it uses less digits than its factorization.

66132158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49098.

The product of its digits is 8640, while the sum is 32.

The square root of 66132158 is about 8132.1680995907. The cubic root of 66132158 is about 404.3935607055.

The spelling of 66132158 in words is "sixty-six million, one hundred thirty-two thousand, one hundred fifty-eight".