5611688657 has 16 divisors (see below), whose sum is σ = 5899910400. Its totient is φ = 5331207168.

The previous prime is 5611688633. The next prime is 5611688669. The reversal of 5611688657 is 7568861165.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5611688657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5611688599 and 5611688608.

It is not an unprimeable number, because it can be changed into a prime (5611688617) 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, 777218 + ... + 784404.

It is an arithmetic number, because the mean of its divisors is an integer number (368744400).

Almost surely, 2^5611688657 is an apocalyptic number.

It is an amenable number.

5611688657 is a deficient number, since it is larger than the sum of its proper divisors (288221743).

5611688657 is a wasteful number, since it uses less digits than its factorization.

5611688657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720.

The product of its digits is 2419200, while the sum is 53.

The square root of 5611688657 is about 74911.2051498306. The cubic root of 5611688657 is about 1777.0426693038.

The spelling of 5611688657 in words is "five billion, six hundred eleven million, six hundred eighty-eight thousand, six hundred fifty-seven".