8188665634372 has 12 divisors (see below), whose sum is σ = 14385924258300. Its totient is φ = 4078401560576.

The previous prime is 8188665634367. The next prime is 8188665634397. The reversal of 8188665634372 is 2734365668818.

It can be written as a sum of positive squares in 2 ways, for example, as 7665899037696 + 522766596676 = 2768736^2 + 723026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8188665634298 and 8188665634307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982812997 + ... + 3982815052.

It is an arithmetic number, because the mean of its divisors is an integer number (1198827021525).

Almost surely, 2^{8188665634372} is an apocalyptic number.

It is an amenable number.

8188665634372 is a deficient number, since it is larger than the sum of its proper divisors (6197258623928).

8188665634372 is a wasteful number, since it uses less digits than its factorization.

8188665634372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965628310 (or 7965628308 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 67.

The spelling of 8188665634372 in words is "eight trillion, one hundred eighty-eight billion, six hundred sixty-five million, six hundred thirty-four thousand, three hundred seventy-two".