166158894 has 24 divisors (see below), whose sum is σ = 365276520. Its totient is φ = 50350960.

The previous prime is 166158871. The next prime is 166158961. The reversal of 166158894 is 498851661.

166158894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113709 + ... + 115160.

It is an arithmetic number, because the mean of its divisors is an integer number (15219855).

Almost surely, 2^166158894 is an apocalyptic number.

166158894 is an abundant number, since it is smaller than the sum of its proper divisors (199117626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166158894 is a wasteful number, since it uses less digits than its factorization.

166158894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228896 (or 228885 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 166158894 is about 12890.2635349321. The cubic root of 166158894 is about 549.7617634877.

The spelling of 166158894 in words is "one hundred sixty-six million, one hundred fifty-eight thousand, eight hundred ninety-four".