166672401177 has 8 divisors (see below), whose sum is σ = 224907336864. Its totient is φ = 109776199808.

The previous prime is 166672401173. The next prime is 166672401223. The reversal of 166672401177 is 771104276661.

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

It is a cyclic number.

It is not a de Polignac number, because 166672401177 - 2² = 166672401173 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166672401173) 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, 334683288 + ... + 334683785.

It is an arithmetic number, because the mean of its divisors is an integer number (28113417108).

Almost surely, 2^166672401177 is an apocalyptic number.

It is an amenable number.

166672401177 is a deficient number, since it is larger than the sum of its proper divisors (58234935687).

166672401177 is an equidigital number, since it uses as much as digits as its factorization.

166672401177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669367159.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 166672401177 in words is "one hundred sixty-six billion, six hundred seventy-two million, four hundred one thousand, one hundred seventy-seven".