166372214 has 4 divisors (see below), whose sum is σ = 249558324. Its totient is φ = 83186106.

The previous prime is 166372207. The next prime is 166372223. The reversal of 166372214 is 412273661.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 41593052 + ... + 41593055.

It is an arithmetic number, because the mean of its divisors is an integer number (62389581).

Almost surely, 2^166372214 is an apocalyptic number.

166372214 is a deficient number, since it is larger than the sum of its proper divisors (83186110).

166372214 is an equidigital number, since it uses as much as digits as its factorization.

166372214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83186109.

The product of its digits is 12096, while the sum is 32.

The square root of 166372214 is about 12898.5353432085. The cubic root of 166372214 is about 549.9969300104.

The spelling of 166372214 in words is "one hundred sixty-six million, three hundred seventy-two thousand, two hundred fourteen".