2163886704 has 80 divisors (see below), whose sum is σ = 7098474240. Its totient is φ = 618252480.

The previous prime is 2163886693. The next prime is 2163886729. The reversal of 2163886704 is 4076883612.

2163886704 is a `hidden beast` number, since 2 + 1 + 638 + 8 + 6 + 7 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2163886704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354762 + ... + 360809.

It is an arithmetic number, because the mean of its divisors is an integer number (88730928).

Almost surely, 2^2163886704 is an apocalyptic number.

2163886704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2163886704 is an abundant number, since it is smaller than the sum of its proper divisors (4934587536).

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

2163886704 is a wasteful number, since it uses less digits than its factorization.

2163886704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715595 (or 715583 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2163886704 is about 46517.5956386398. The cubic root of 2163886704 is about 1293.4356873920.

The spelling of 2163886704 in words is "two billion, one hundred sixty-three million, eight hundred eighty-six thousand, seven hundred four".