5660220665 has 16 divisors (see below), whose sum is σ = 7493005440. Its totient is φ = 4070267520.

The previous prime is 5660220661. The next prime is 5660220757.

5660220665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5660220665 - 2² = 5660220661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5660220661) 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, 573269 + ... + 583058.

It is an arithmetic number, because the mean of its divisors is an integer number (468312840).

Almost surely, 2^5660220665 is an apocalyptic number.

5660220665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5660220665 is a deficient number, since it is larger than the sum of its proper divisors (1832784775).

5660220665 is a wasteful number, since it uses less digits than its factorization.

5660220665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156432.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5660220665 is about 75234.4380254149. The cubic root of 5660220665 is about 1782.1508176705.

The spelling of 5660220665 in words is "five billion, six hundred sixty million, two hundred twenty thousand, six hundred sixty-five".