10663431165 has 16 divisors (see below), whose sum is σ = 18957211200. Its totient is φ = 5687163216.

The previous prime is 10663431151. The next prime is 10663431179. The reversal of 10663431165 is 56113436601.

10663431165 is a `hidden beast` number, since 1 + 0 + 6 + 63 + 431 + 165 = 666.

It is an interprime number because it is at equal distance from previous prime (10663431151) and next prime (10663431179).

It is not a de Polignac number, because 10663431165 - 2¹⁷ = 10663300093 is a prime.

It is a super-2 number, since 2×10663431165² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39494055 + ... + 39494324.

It is an arithmetic number, because the mean of its divisors is an integer number (1184825700).

Almost surely, 2^10663431165 is an apocalyptic number.

10663431165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10663431165 is a deficient number, since it is larger than the sum of its proper divisors (8293780035).

10663431165 is an equidigital number, since it uses as much as digits as its factorization.

10663431165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78988393 (or 78988387 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 10663431165 its reverse (56113436601), we get a palindrome (66776867766).

The spelling of 10663431165 in words is "ten billion, six hundred sixty-three million, four hundred thirty-one thousand, one hundred sixty-five".