5656010018 has 8 divisors (see below), whose sum is σ = 8559095148. Its totient is φ = 2802978304.

The previous prime is 5656010011. The next prime is 5656010021. The reversal of 5656010018 is 8100106565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5644967689 + 11042329 = 75133^2 + 3323^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5656010011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12513071 + ... + 12513522.

Almost surely, 2^5656010018 is an apocalyptic number.

5656010018 is a deficient number, since it is larger than the sum of its proper divisors (2903085130).

5656010018 is a wasteful number, since it uses less digits than its factorization.

5656010018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026708.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5656010018 is about 75206.4493112127. The cubic root of 5656010018 is about 1781.7087931185.

The spelling of 5656010018 in words is "five billion, six hundred fifty-six million, ten thousand, eighteen".