5668185561 has 8 divisors (see below), whose sum is σ = 7559379744. Its totient is φ = 3777890880.

The previous prime is 5668185557. The next prime is 5668185581. The reversal of 5668185561 is 1655818665.

It is a happy number.

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

It is not a de Polignac number, because 5668185561 - 2² = 5668185557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5668185581) 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, 210031 + ... + 235476.

It is an arithmetic number, because the mean of its divisors is an integer number (944922468).

Almost surely, 2^5668185561 is an apocalyptic number.

It is an amenable number.

5668185561 is a deficient number, since it is larger than the sum of its proper divisors (1891194183).

5668185561 is a wasteful number, since it uses less digits than its factorization.

5668185561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449751.

The product of its digits is 1728000, while the sum is 51.

The square root of 5668185561 is about 75287.3532606905. The cubic root of 5668185561 is about 1782.9863559450.

The spelling of 5668185561 in words is "five billion, six hundred sixty-eight million, one hundred eighty-five thousand, five hundred sixty-one".