8661511796 has 12 divisors (see below), whose sum is σ = 17323023648. Its totient is φ = 3712076472.

The previous prime is 8661511783. The next prime is 8661511823. The reversal of 8661511796 is 6971151668.

8661511796 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154669826 + ... + 154669881.

It is an arithmetic number, because the mean of its divisors is an integer number (1443585304).

Almost surely, 2^8661511796 is an apocalyptic number.

It is an amenable number.

8661511796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8661511796 is a wasteful number, since it uses less digits than its factorization.

8661511796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309339718 (or 309339716 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 8661511796 is about 93067.2434103428. The cubic root of 8661511796 is about 2053.6727178262.

The spelling of 8661511796 in words is "eight billion, six hundred sixty-one million, five hundred eleven thousand, seven hundred ninety-six".