2163079800 has 144 divisors (see below), whose sum is σ = 8302154640. Its totient is φ = 494415360.

The previous prime is 2163079799. The next prime is 2163079801. The reversal of 2163079800 is 89703612.

It is an interprime number because it is at equal distance from previous prime (2163079799) and next prime (2163079801).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163079801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 73237 + ... + 98436.

Almost surely, 2^2163079800 is an apocalyptic number.

2163079800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2163079800 is an abundant number, since it is smaller than the sum of its proper divisors (6139074840).

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

2163079800 is a wasteful number, since it uses less digits than its factorization.

2163079800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171702 (or 171690 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2163079800 is about 46508.9217247616. The cubic root of 2163079800 is about 1293.2748952115.

The spelling of 2163079800 in words is "two billion, one hundred sixty-three million, seventy-nine thousand, eight hundred".