5666505650 has 48 divisors (see below), whose sum is σ = 11592008064. Its totient is φ = 2047721280.

The previous prime is 5666505629. The next prime is 5666505659. The reversal of 5666505650 is 565056665.

It is not an unprimeable number, because it can be changed into a prime (5666505659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62192 + ... + 123291.

It is an arithmetic number, because the mean of its divisors is an integer number (241500168).

Almost surely, 2^5666505650 is an apocalyptic number.

5666505650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5666505650 is an abundant number, since it is smaller than the sum of its proper divisors (5925502414).

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

5666505650 is a wasteful number, since it uses less digits than its factorization.

5666505650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185555 (or 185550 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 5666505650 is about 75276.1957726345. The cubic root of 5666505650 is about 1782.8101940841.

The spelling of 5666505650 in words is "five billion, six hundred sixty-six million, five hundred five thousand, six hundred fifty".