166883866 has 16 divisors (see below), whose sum is σ = 268410240. Its totient is φ = 77538240.

The previous prime is 166883833. The next prime is 166883923. The reversal of 166883866 is 668388661.

166883866 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 2×166883866² = 55700449462211912, 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, 28380 + ... + 33751.

It is an arithmetic number, because the mean of its divisors is an integer number (16775640).

Almost surely, 2^166883866 is an apocalyptic number.

166883866 is a deficient number, since it is larger than the sum of its proper divisors (101526374).

166883866 is a wasteful number, since it uses less digits than its factorization.

166883866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62229.

The product of its digits is 1990656, while the sum is 52.

The square root of 166883866 is about 12918.3538424987. The cubic root of 166883866 is about 550.5601631765.

The spelling of 166883866 in words is "one hundred sixty-six million, eight hundred eighty-three thousand, eight hundred sixty-six".