166842592666 has 16 divisors (see below), whose sum is σ = 250661168640. Its totient is φ = 83288977200.

The previous prime is 166842592663. The next prime is 166842592667. The reversal of 166842592666 is 666295248661.

It is not an unprimeable number, because it can be changed into a prime (166842592663) 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, 3236191 + ... + 3287341.

It is an arithmetic number, because the mean of its divisors is an integer number (15666323040).

Almost surely, 2^166842592666 is an apocalyptic number.

166842592666 is a deficient number, since it is larger than the sum of its proper divisors (83818575974).

166842592666 is a wasteful number, since it uses less digits than its factorization.

166842592666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53709.

The product of its digits is 44789760, while the sum is 61.

The spelling of 166842592666 in words is "one hundred sixty-six billion, eight hundred forty-two million, five hundred ninety-two thousand, six hundred sixty-six".