166512673 has 8 divisors (see below), whose sum is σ = 167825088. Its totient is φ = 165204624.

The previous prime is 166512667. The next prime is 166512707. The reversal of 166512673 is 376215661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166512673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166512623) 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, 135540 + ... + 136762.

It is an arithmetic number, because the mean of its divisors is an integer number (20978136).

Almost surely, 2^166512673 is an apocalyptic number.

It is an amenable number.

166512673 is a deficient number, since it is larger than the sum of its proper divisors (1312415).

166512673 is a wasteful number, since it uses less digits than its factorization.

166512673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183.

The product of its digits is 45360, while the sum is 37.

The square root of 166512673 is about 12903.9789599952. The cubic root of 166512673 is about 550.1516639595.

The spelling of 166512673 in words is "one hundred sixty-six million, five hundred twelve thousand, six hundred seventy-three".