166656334327 has 8 divisors (see below), whose sum is σ = 191964102656. Its totient is φ = 141723496152.

The previous prime is 166656334319. The next prime is 166656334331. The reversal of 166656334327 is 723433656661.

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

It is not a de Polignac number, because 166656334327 - 2³ = 166656334319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166656334307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93731583 + ... + 93733360.

It is an arithmetic number, because the mean of its divisors is an integer number (23995512832).

Almost surely, 2^166656334327 is an apocalyptic number.

166656334327 is a deficient number, since it is larger than the sum of its proper divisors (25307768329).

166656334327 is a wasteful number, since it uses less digits than its factorization.

166656334327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187465077.

The product of its digits is 9797760, while the sum is 52.

It can be divided in two parts, 166656334 and 327, that added together give a palindrome (166656661).

The spelling of 166656334327 in words is "one hundred sixty-six billion, six hundred fifty-six million, three hundred thirty-four thousand, three hundred twenty-seven".