2166692160 has 112 divisors (see below), whose sum is σ = 7283964096. Its totient is φ = 543793152.

The previous prime is 2166692153. The next prime is 2166692173. The reversal of 2166692160 is 612966612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50062 + ... + 82701.

Almost surely, 2^2166692160 is an apocalyptic number.

2166692160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2166692160 is an abundant number, since it is smaller than the sum of its proper divisors (5117271936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2166692160 is a wasteful number, since it uses less digits than its factorization.

2166692160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132800 (or 132790 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2166692160 is about 46547.7406540855. The cubic root of 2166692160 is about 1293.9944211821.

The spelling of 2166692160 in words is "two billion, one hundred sixty-six million, six hundred ninety-two thousand, one hundred sixty".