166026668 has 12 divisors (see below), whose sum is σ = 290644872. Its totient is φ = 82985280.

The previous prime is 166026647. The next prime is 166026683. The reversal of 166026668 is 866620661.

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, 12071 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (24220406).

Almost surely, 2^166026668 is an apocalyptic number.

It is an amenable number.

166026668 is a deficient number, since it is larger than the sum of its proper divisors (124618204).

166026668 is a wasteful number, since it uses less digits than its factorization.

166026668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14032 (or 14030 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 166026668 is about 12885.1336042743. The cubic root of 166026668 is about 549.6158948992.

The spelling of 166026668 in words is "one hundred sixty-six million, twenty-six thousand, six hundred sixty-eight".