2163652372 has 12 divisors (see below), whose sum is σ = 4327304800. Its totient is φ = 927279576.

The previous prime is 2163652357. The next prime is 2163652399. The reversal of 2163652372 is 2732563612.

2163652372 is an admirable number.

It is a super-2 number, since 2×2163652372² = 9362783173722452768, which contains 22 as substring.

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, 38636622 + ... + 38636677.

Almost surely, 2^2163652372 is an apocalyptic number.

It is an amenable number.

2163652372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2163652372 is a wasteful number, since it uses less digits than its factorization.

2163652372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77273310 (or 77273308 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 2163652372 is about 46515.0768246168. The cubic root of 2163652372 is about 1293.3889960515.

The spelling of 2163652372 in words is "two billion, one hundred sixty-three million, six hundred fifty-two thousand, three hundred seventy-two".