166239346 has 32 divisors (see below), whose sum is σ = 307577088. Its totient is φ = 65620800.

The previous prime is 166239313. The next prime is 166239361. The reversal of 166239346 is 643932661.

166239346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166239299 and 166239308.

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, 126931 + ... + 128233.

It is an arithmetic number, because the mean of its divisors is an integer number (9611784).

Almost surely, 2^166239346 is an apocalyptic number.

166239346 is a deficient number, since it is larger than the sum of its proper divisors (141337742).

166239346 is a wasteful number, since it uses less digits than its factorization.

166239346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its digits is 139968, while the sum is 40.

The square root of 166239346 is about 12893.3838072090. The cubic root of 166239346 is about 549.8504783634.

The spelling of 166239346 in words is "one hundred sixty-six million, two hundred thirty-nine thousand, three hundred forty-six".