2166952466 has 16 divisors (see below), whose sum is σ = 3722086080. Its totient is φ = 926866320.

The previous prime is 2166952409. The next prime is 2166952477. The reversal of 2166952466 is 6642596612.

It is a self number, because there is not a number n which added to its sum of digits gives 2166952466.

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, 144920 + ... + 159171.

It is an arithmetic number, because the mean of its divisors is an integer number (232630380).

Almost surely, 2^2166952466 is an apocalyptic number.

2166952466 is a deficient number, since it is larger than the sum of its proper divisors (1555133614).

2166952466 is a wasteful number, since it uses less digits than its factorization.

2166952466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304609.

The product of its digits is 933120, while the sum is 47.

The square root of 2166952466 is about 46550.5366886355. The cubic root of 2166952466 is about 1294.0462391914.

The spelling of 2166952466 in words is "two billion, one hundred sixty-six million, nine hundred fifty-two thousand, four hundred sixty-six".