13630503566 has 16 divisors (see below), whose sum is σ = 20483187120. Its totient is φ = 6802787520.

The previous prime is 13630503503. The next prime is 13630503569. The reversal of 13630503566 is 66530503631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13630503569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929765 + ... + 3933231.

It is an arithmetic number, because the mean of its divisors is an integer number (1280199195).

Almost surely, 2^13630503566 is an apocalyptic number.

13630503566 is a deficient number, since it is larger than the sum of its proper divisors (6852683554).

13630503566 is a wasteful number, since it uses less digits than its factorization.

13630503566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 13630503566 in words is "thirteen billion, six hundred thirty million, five hundred three thousand, five hundred sixty-six".