8066551988772 has 72 divisors (see below), whose sum is σ = 20443429435520. Its totient is φ = 2681872960320.

The previous prime is 8066551988767. The next prime is 8066551988779. The reversal of 8066551988772 is 2778891556608.

8066551988772 is a `hidden beast` number, since 8 + 0 + 66 + 551 + 9 + 8 + 8 + 7 + 7 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8066551988772.

It is not an unprimeable number, because it can be changed into a prime (8066551988779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22752747 + ... + 23104557.

Almost surely, 2^{8066551988772} is an apocalyptic number.

It is an amenable number.

8066551988772 is an abundant number, since it is smaller than the sum of its proper divisors (12376877446748).

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

8066551988772 is a wasteful number, since it uses less digits than its factorization.

8066551988772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353473 (or 353468 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 72.

The spelling of 8066551988772 in words is "eight trillion, sixty-six billion, five hundred fifty-one million, nine hundred eighty-eight thousand, seven hundred seventy-two".