5706131661 has 12 divisors (see below), whose sum is σ = 8675989920. Its totient is φ = 3603872520.

The previous prime is 5706131659. The next prime is 5706131681. The reversal of 5706131661 is 1661316075.

5706131661 is a `hidden beast` number, since 570 + 6 + 13 + 16 + 61 = 666.

It is not a de Polignac number, because 5706131661 - 2¹ = 5706131659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5706131681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16684425 + ... + 16684766.

It is an arithmetic number, because the mean of its divisors is an integer number (722999160).

Almost surely, 2^5706131661 is an apocalyptic number.

It is an amenable number.

5706131661 is a deficient number, since it is larger than the sum of its proper divisors (2969858259).

5706131661 is a wasteful number, since it uses less digits than its factorization.

5706131661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33369216 (or 33369213 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 5706131661 is about 75538.9413547741. The cubic root of 5706131661 is about 1786.9562893982.

The spelling of 5706131661 in words is "five billion, seven hundred six million, one hundred thirty-one thousand, six hundred sixty-one".