5101666660 has 48 divisors (see below), whose sum is σ = 11239119360. Its totient is φ = 1942532480.

The previous prime is 5101666643. The next prime is 5101666679. The reversal of 5101666660 is 666661015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20764 + ... + 103123.

It is an arithmetic number, because the mean of its divisors is an integer number (234148320).

Almost surely, 2^5101666660 is an apocalyptic number.

It is an amenable number.

5101666660 is an abundant number, since it is smaller than the sum of its proper divisors (6137452700).

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

5101666660 is a wasteful number, since it uses less digits than its factorization.

5101666660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123996 (or 123994 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 5101666660 is about 71425.9522862664. The cubic root of 5101666660 is about 1721.4881050690.

The spelling of 5101666660 in words is "five billion, one hundred one million, six hundred sixty-six thousand, six hundred sixty".