166310994 has 8 divisors (see below), whose sum is σ = 332622000. Its totient is φ = 55436996.

The previous prime is 166310981. The next prime is 166311023. The reversal of 166310994 is 499013661.

166310994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

166310994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13859244 + ... + 13859255.

It is an arithmetic number, because the mean of its divisors is an integer number (41577750).

Almost surely, 2^166310994 is an apocalyptic number.

166310994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166310994 is a wasteful number, since it uses less digits than its factorization.

166310994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27718504.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 166310994 is about 12896.1619871960. The cubic root of 166310994 is about 549.9294609260.

The spelling of 166310994 in words is "one hundred sixty-six million, three hundred ten thousand, nine hundred ninety-four".