166496666 has 16 divisors (see below), whose sum is σ = 285768000. Its totient is φ = 71269440.

The previous prime is 166496653. The next prime is 166496689. The reversal of 166496666 is 666694661.

166496666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166496666² = 55442279578231112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585 + ... + 19083.

It is an arithmetic number, because the mean of its divisors is an integer number (17860500).

Almost surely, 2^166496666 is an apocalyptic number.

166496666 is a deficient number, since it is larger than the sum of its proper divisors (119271334).

166496666 is a wasteful number, since it uses less digits than its factorization.

166496666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14389.

The product of its digits is 1679616, while the sum is 50.

The square root of 166496666 is about 12903.3587100414. The cubic root of 166496666 is about 550.1340345509.

The spelling of 166496666 in words is "one hundred sixty-six million, four hundred ninety-six thousand, six hundred sixty-six".