8660434816 has 32 divisors (see below), whose sum is σ = 18821686680. Its totient is φ = 3936560640.

The previous prime is 8660434813. The next prime is 8660434817. The reversal of 8660434816 is 6184340668.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8660434813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074031 + ... + 3076846.

Almost surely, 2^8660434816 is an apocalyptic number.

It is an amenable number.

8660434816 is an abundant number, since it is smaller than the sum of its proper divisors (10161251864).

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

8660434816 is a wasteful number, since it uses less digits than its factorization.

8660434816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150902 (or 6150890 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 8660434816 is about 93061.4571989930. The cubic root of 8660434816 is about 2053.5875958069.

The spelling of 8660434816 in words is "eight billion, six hundred sixty million, four hundred thirty-four thousand, eight hundred sixteen".