663114366631 has 4 divisors (see below), whose sum is σ = 672198125152. Its totient is φ = 654030608112.

The previous prime is 663114366623. The next prime is 663114366653. The reversal of 663114366631 is 136663411366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663114366631 - 2³ = 663114366623 is a prime.

It is a super-2 number, since 2×663114366631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663114366931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541879151 + ... + 4541879296.

It is an arithmetic number, because the mean of its divisors is an integer number (168049531288).

Almost surely, 2^663114366631 is an apocalyptic number.

663114366631 is a deficient number, since it is larger than the sum of its proper divisors (9083758521).

663114366631 is an equidigital number, since it uses as much as digits as its factorization.

663114366631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083758520.

The product of its digits is 839808, while the sum is 46.

Adding to 663114366631 its reverse (136663411366), we get a palindrome (799777777997).

The spelling of 663114366631 in words is "six hundred sixty-three billion, one hundred fourteen million, three hundred sixty-six thousand, six hundred thirty-one".