13684327966 has 8 divisors (see below), whose sum is σ = 20757126960. Its totient is φ = 6765285648.

The previous prime is 13684327961. The next prime is 13684327999. The reversal of 13684327966 is 66972348631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13684327961) 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, 38438946 + ... + 38439301.

It is an arithmetic number, because the mean of its divisors is an integer number (2594640870).

Almost surely, 2^13684327966 is an apocalyptic number.

13684327966 is a deficient number, since it is larger than the sum of its proper divisors (7072798994).

13684327966 is an equidigital number, since it uses as much as digits as its factorization.

13684327966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76878338.

The product of its digits is 7838208, while the sum is 55.

The spelling of 13684327966 in words is "thirteen billion, six hundred eighty-four million, three hundred twenty-seven thousand, nine hundred sixty-six".