10613505663 has 12 divisors (see below), whose sum is σ = 15332296408. Its totient is φ = 7074896400.

The previous prime is 10613505647. The next prime is 10613505673. The reversal of 10613505663 is 36650531601.

10613505663 is a `hidden beast` number, since 1 + 0 + 61 + 35 + 0 + 566 + 3 = 666.

It is not a de Polignac number, because 10613505663 - 2⁴ = 10613505647 is a prime.

It is a super-2 number, since 2×10613505663² (a number of 21 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 (10613505613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29556 + ... + 148662.

Almost surely, 2^10613505663 is an apocalyptic number.

10613505663 is a deficient number, since it is larger than the sum of its proper divisors (4718790745).

10613505663 is a wasteful number, since it uses less digits than its factorization.

10613505663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129014 (or 129011 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 10613505663 in words is "ten billion, six hundred thirteen million, five hundred five thousand, six hundred sixty-three".