166516676 has 12 divisors (see below), whose sum is σ = 297604608. Its totient is φ = 81486792.

The previous prime is 166516673. The next prime is 166516681. The reversal of 166516676 is 676615661.

It is not an unprimeable number, because it can be changed into a prime (166516673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442676 + ... + 443051.

It is an arithmetic number, because the mean of its divisors is an integer number (24800384).

Almost surely, 2^166516676 is an apocalyptic number.

It is an amenable number.

166516676 is a deficient number, since it is larger than the sum of its proper divisors (131087932).

166516676 is a wasteful number, since it uses less digits than its factorization.

166516676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885778 (or 885776 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 166516676 is about 12904.1340662595. The cubic root of 166516676 is about 550.1560725118.

The spelling of 166516676 in words is "one hundred sixty-six million, five hundred sixteen thousand, six hundred seventy-six".