8066281991512 has 64 divisors (see below), whose sum is σ = 16275444019200. Its totient is φ = 3735798485760.

The previous prime is 8066281991407. The next prime is 8066281991563. The reversal of 8066281991512 is 2151991826608.

It is a super-2 number, since 2×8066281991512² (a number of 27 digits) 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 15 ways as a sum of consecutive naturals, for example, 6510028 + ... + 7649380.

It is an arithmetic number, because the mean of its divisors is an integer number (254303812800).

Almost surely, 2^{8066281991512} is an apocalyptic number.

It is an amenable number.

8066281991512 is an abundant number, since it is smaller than the sum of its proper divisors (8209162027688).

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

8066281991512 is a wasteful number, since it uses less digits than its factorization.

8066281991512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140416 (or 1140412 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 8066281991512 in words is "eight trillion, sixty-six billion, two hundred eighty-one million, nine hundred ninety-one thousand, five hundred twelve".