13640907916 has 12 divisors (see below), whose sum is σ = 25275800088. Its totient is φ = 6419250752.

The previous prime is 13640907869. The next prime is 13640907953. The reversal of 13640907916 is 61970904631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100300726 + ... + 100300861.

It is an arithmetic number, because the mean of its divisors is an integer number (2106316674).

Almost surely, 2^13640907916 is an apocalyptic number.

It is an amenable number.

13640907916 is a deficient number, since it is larger than the sum of its proper divisors (11634892172).

13640907916 is a wasteful number, since it uses less digits than its factorization.

13640907916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200601608 (or 200601606 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 13640907916 in words is "thirteen billion, six hundred forty million, nine hundred seven thousand, nine hundred sixteen".