166674087 has 12 divisors (see below), whose sum is σ = 241152184. Its totient is φ = 110931120.

The previous prime is 166674083. The next prime is 166674119. The reversal of 166674087 is 780476661.

It is not a de Polignac number, because 166674087 - 2² = 166674083 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 (166674083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9589 + ... + 20622.

Almost surely, 2^166674087 is an apocalyptic number.

166674087 is a deficient number, since it is larger than the sum of its proper divisors (74478097).

166674087 is a wasteful number, since it uses less digits than its factorization.

166674087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30830 (or 30827 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 166674087 is about 12910.2318724336. The cubic root of 166674087 is about 550.3293751615.

The spelling of 166674087 in words is "one hundred sixty-six million, six hundred seventy-four thousand, eighty-seven".