8156632760840 has 48 divisors (see below), whose sum is σ = 18587674063980. Its totient is φ = 3221353599360.

The previous prime is 8156632760833. The next prime is 8156632760911. The reversal of 8156632760840 is 480672366518.

It can be written as a sum of positive squares in 2 ways, for example, as 7867879140676 + 288753620164 = 2804974^2 + 537358^2 .

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 11 ways as a sum of consecutive naturals, for example, 16087151 + ... + 16586430.

Almost surely, 2^{8156632760840} is an apocalyptic number.

It is an amenable number.

8156632760840 is an abundant number, since it is smaller than the sum of its proper divisors (10431041303140).

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

8156632760840 is a wasteful number, since it uses less digits than its factorization.

8156632760840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32673750 (or 32673667 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 8156632760840 in words is "eight trillion, one hundred fifty-six billion, six hundred thirty-two million, seven hundred sixty thousand, eight hundred forty".