8556132969792 has 336 divisors, whose sum is σ = 26006201195520. Its totient is φ = 2787908378112.

The previous prime is 8556132969781. The next prime is 8556132969803. The reversal of 8556132969792 is 2979692316558.

It is a happy number.

8556132969792 is a `hidden beast` number, since 8 + 556 + 1 + 3 + 2 + 9 + 69 + 7 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (8556132969781) and next prime (8556132969803).

It is a super-2 number, since 2×8556132969792² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 8556132969792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 627874083 + ... + 627887709.

It is an arithmetic number, because the mean of its divisors is an integer number (77399408320).

Almost surely, 2^{8556132969792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8556132969792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13003100597760).

8556132969792 is an abundant number, since it is smaller than the sum of its proper divisors (17450068225728).

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

8556132969792 is a wasteful number, since it uses less digits than its factorization.

8556132969792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560 (or 14538 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 72.

The spelling of 8556132969792 in words is "eight trillion, five hundred fifty-six billion, one hundred thirty-two million, nine hundred sixty-nine thousand, seven hundred ninety-two".