2163430688 has 24 divisors (see below), whose sum is σ = 4268603052. Its totient is φ = 1079341056.

The previous prime is 2163430667. The next prime is 2163430699. The reversal of 2163430688 is 8860343612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1858299664 + 305131024 = 43108^2 + 17468^2 .

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, 59345 + ... + 88592.

Almost surely, 2^2163430688 is an apocalyptic number.

It is an amenable number.

2163430688 is a deficient number, since it is larger than the sum of its proper divisors (2105172364).

2163430688 is a wasteful number, since it uses less digits than its factorization.

2163430688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148404 (or 148396 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 2163430688 is about 46512.6938372741. The cubic root of 2163430688 is about 1293.3448217588.

The spelling of 2163430688 in words is "two billion, one hundred sixty-three million, four hundred thirty thousand, six hundred eighty-eight".