2131666304 has 32 divisors (see below), whose sum is σ = 4250270640. Its totient is φ = 1064931840.

The previous prime is 2131666249. The next prime is 2131666319. The reversal of 2131666304 is 4036661312.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160394 + ... + 173174.

Almost surely, 2^2131666304 is an apocalyptic number.

It is an amenable number.

2131666304 is a deficient number, since it is larger than the sum of its proper divisors (2118604336).

2131666304 is a wasteful number, since it uses less digits than its factorization.

2131666304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098 (or 14086 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2131666304 is about 46169.9718864978. The cubic root of 2131666304 is about 1286.9837797786.

The spelling of 2131666304 in words is "two billion, one hundred thirty-one million, six hundred sixty-six thousand, three hundred four".