5705656661 has 16 divisors (see below), whose sum is σ = 6067353600. Its totient is φ = 5350316400.

The previous prime is 5705656657. The next prime is 5705656679. The reversal of 5705656661 is 1666565075.

It is not a de Polignac number, because 5705656661 - 2² = 5705656657 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5705656601) 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, 1040156 + ... + 1045626.

It is an arithmetic number, because the mean of its divisors is an integer number (379209600).

Almost surely, 2^5705656661 is an apocalyptic number.

It is an amenable number.

5705656661 is a deficient number, since it is larger than the sum of its proper divisors (361696939).

5705656661 is a wasteful number, since it uses less digits than its factorization.

5705656661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The square root of 5705656661 is about 75535.7972156249. The cubic root of 5705656661 is about 1786.9067036869.

The spelling of 5705656661 in words is "five billion, seven hundred five million, six hundred fifty-six thousand, six hundred sixty-one".