8211599895366 has 72 divisors (see below), whose sum is σ = 21463123598280. Its totient is φ = 2346171391872.

The previous prime is 8211599895341. The next prime is 8211599895391. The reversal of 8211599895366 is 6635989951128.

8211599895366 is a `hidden beast` number, since 8 + 2 + 1 + 1 + 5 + 9 + 9 + 89 + 536 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (8211599895341) and next prime (8211599895391).

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8211599895294 and 8211599895303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 172387371 + ... + 172434998.

It is an arithmetic number, because the mean of its divisors is an integer number (298098938865).

Almost surely, 2^{8211599895366} is an apocalyptic number.

8211599895366 is an abundant number, since it is smaller than the sum of its proper divisors (13251523702914).

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

8211599895366 is a wasteful number, since it uses less digits than its factorization.

8211599895366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344822400 (or 344822381 counting only the distinct ones).

The product of its digits is 251942400, while the sum is 72.

The spelling of 8211599895366 in words is "eight trillion, two hundred eleven billion, five hundred ninety-nine million, eight hundred ninety-five thousand, three hundred sixty-six".