166712741677 has 8 divisors (see below), whose sum is σ = 167759063360. Its totient is φ = 165668302080.

The previous prime is 166712741669. The next prime is 166712741693. The reversal of 166712741677 is 776147217661.

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 166712741677 - 2³ = 166712741669 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 (166712741627) 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, 292599 + ... + 647332.

It is an arithmetic number, because the mean of its divisors is an integer number (20969882920).

Almost surely, 2^166712741677 is an apocalyptic number.

It is an amenable number.

166712741677 is a deficient number, since it is larger than the sum of its proper divisors (1046321683).

166712741677 is an equidigital number, since it uses as much as digits as its factorization.

166712741677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941043.

The product of its digits is 4148928, while the sum is 55.

The spelling of 166712741677 in words is "one hundred sixty-six billion, seven hundred twelve million, seven hundred forty-one thousand, six hundred seventy-seven".