13631203966 has 16 divisors (see below), whose sum is σ = 21912443424. Its totient is φ = 6343074144.

The previous prime is 13631203961. The next prime is 13631203969. The reversal of 13631203966 is 66930213631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13631203961) 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, 4002765 + ... + 4006168.

It is an arithmetic number, because the mean of its divisors is an integer number (1369527714).

Almost surely, 2^13631203966 is an apocalyptic number.

13631203966 is a deficient number, since it is larger than the sum of its proper divisors (8281239458).

13631203966 is a wasteful number, since it uses less digits than its factorization.

13631203966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008995.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 13631203966 in words is "thirteen billion, six hundred thirty-one million, two hundred three thousand, nine hundred sixty-six".