8159811911608 has 32 divisors (see below), whose sum is σ = 17510912069760. Its totient is φ = 3491942081760.

The previous prime is 8159811911567. The next prime is 8159811911633. The reversal of 8159811911608 is 8061191189518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106631538 + ... + 106708033.

It is an arithmetic number, because the mean of its divisors is an integer number (547216002180).

Almost surely, 2^{8159811911608} is an apocalyptic number.

It is an amenable number.

8159811911608 is an abundant number, since it is smaller than the sum of its proper divisors (9351100158152).

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

8159811911608 is a wasteful number, since it uses less digits than its factorization.

8159811911608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213340267 (or 213340263 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 58.

The spelling of 8159811911608 in words is "eight trillion, one hundred fifty-nine billion, eight hundred eleven million, nine hundred eleven thousand, six hundred eight".