8554660660 has 96 divisors (see below), whose sum is σ = 22649985792. Its totient is φ = 2641351680.

The previous prime is 8554660637. The next prime is 8554660669. The reversal of 8554660660 is 660664558.

It is a self number, because there is not a number n which added to its sum of digits gives 8554660660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8554660669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17299 + ... + 131941.

It is an arithmetic number, because the mean of its divisors is an integer number (235937352).

Almost surely, 2^8554660660 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 8554660660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11324992896).

8554660660 is an abundant number, since it is smaller than the sum of its proper divisors (14095325132).

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

8554660660 is a wasteful number, since it uses less digits than its factorization.

8554660660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114713 (or 114711 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 8554660660 is about 92491.4085739859. The cubic root of 8554660660 is about 2045.1928337638.

The spelling of 8554660660 in words is "eight billion, five hundred fifty-four million, six hundred sixty thousand, six hundred sixty".