8156770839616 has 112 divisors (see below), whose sum is σ = 18551943713920. Its totient is φ = 3485653585920.

The previous prime is 8156770839599. The next prime is 8156770839631. The reversal of 8156770839616 is 6169380776518.

It is a tau number, because it is divible by the number of its divisors (112).

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, 218819956 + ... + 218857228.

Almost surely, 2^{8156770839616} 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 8156770839616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9275971856960).

8156770839616 is an abundant number, since it is smaller than the sum of its proper divisors (10395172874304).

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

8156770839616 is a wasteful number, since it uses less digits than its factorization.

8156770839616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38692 (or 38682 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 8156770839616 in words is "eight trillion, one hundred fifty-six billion, seven hundred seventy million, eight hundred thirty-nine thousand, six hundred sixteen".