6636113331 has 8 divisors (see below), whose sum is σ = 9053922240. Its totient is φ = 4321189992.

The previous prime is 6636113329. The next prime is 6636113339. The reversal of 6636113331 is 1333116366.

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

It is not a de Polignac number, because 6636113331 - 2¹ = 6636113329 is a prime.

It is a super-2 number, since 2×6636113331² = 88076000283751831122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6636113292 and 6636113301.

It is not an unprimeable number, because it can be changed into a prime (6636113339) 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 7 ways as a sum of consecutive naturals, for example, 25721241 + ... + 25721498.

It is an arithmetic number, because the mean of its divisors is an integer number (1131740280).

Almost surely, 2^6636113331 is an apocalyptic number.

6636113331 is a deficient number, since it is larger than the sum of its proper divisors (2417808909).

6636113331 is a wasteful number, since it uses less digits than its factorization.

6636113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51442785.

The product of its digits is 17496, while the sum is 33.

The square root of 6636113331 is about 81462.3430242465. The cubic root of 6636113331 is about 1879.1924752626.

Adding to 6636113331 its reverse (1333116366), we get a palindrome (7969229697).

The spelling of 6636113331 in words is "six billion, six hundred thirty-six million, one hundred thirteen thousand, three hundred thirty-one".