5011566660 has 48 divisors (see below), whose sum is σ = 15591542400. Its totient is φ = 1336417632.

The previous prime is 5011566631. The next prime is 5011566667. The reversal of 5011566660 is 666651105.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5011566667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639800 + ... + 4640879.

It is an arithmetic number, because the mean of its divisors is an integer number (324823800).

Almost surely, 2^5011566660 is an apocalyptic number.

It is an amenable number.

5011566660 is an abundant number, since it is smaller than the sum of its proper divisors (10579975740).

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

5011566660 is a wasteful number, since it uses less digits than its factorization.

5011566660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280697 (or 9280689 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5011566660 is about 70792.4195094362. The cubic root of 5011566660 is about 1711.2935119020.

The spelling of 5011566660 in words is "five billion, eleven million, five hundred sixty-six thousand, six hundred sixty".