5686542661 has 8 divisors (see below), whose sum is σ = 6087290400. Its totient is φ = 5295940560.

The previous prime is 5686542607. The next prime is 5686542677. The reversal of 5686542661 is 1662456865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5686542661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686542461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535250 + ... + 2537491.

It is an arithmetic number, because the mean of its divisors is an integer number (760911300).

Almost surely, 2^5686542661 is an apocalyptic number.

It is an amenable number.

5686542661 is a deficient number, since it is larger than the sum of its proper divisors (400747739).

5686542661 is a wasteful number, since it uses less digits than its factorization.

5686542661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072819.

The product of its digits is 2073600, while the sum is 49.

The square root of 5686542661 is about 75409.1682821128. The cubic root of 5686542661 is about 1784.9090869541.

The spelling of 5686542661 in words is "five billion, six hundred eighty-six million, five hundred forty-two thousand, six hundred sixty-one".