166313992 has 64 divisors (see below), whose sum is σ = 374371200. Its totient is φ = 68428800.

The previous prime is 166313971. The next prime is 166314023. The reversal of 166313992 is 299313661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31117 + ... + 36067.

It is an arithmetic number, because the mean of its divisors is an integer number (5849550).

Almost surely, 2^166313992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166313992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187185600).

166313992 is an abundant number, since it is smaller than the sum of its proper divisors (208057208).

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

166313992 is a wasteful number, since it uses less digits than its factorization.

166313992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 5002 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 166313992 is about 12896.2782228052. The cubic root of 166313992 is about 549.9327653350.

The spelling of 166313992 in words is "one hundred sixty-six million, three hundred thirteen thousand, nine hundred ninety-two".