13664116 has 24 divisors (see below), whose sum is σ = 26268480. Its totient is φ = 6190272.

The previous prime is 13664071. The next prime is 13664129. The reversal of 13664116 is 61146631.

It is a super-2 number, since 2×13664116² = 373416132122912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161 + ... + 5656.

It is an arithmetic number, because the mean of its divisors is an integer number (1094520).

Almost surely, 2^13664116 is an apocalyptic number.

It is an amenable number.

13664116 is a deficient number, since it is larger than the sum of its proper divisors (12604364).

13664116 is a wasteful number, since it uses less digits than its factorization.

13664116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863 (or 7861 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 13664116 is about 3696.5005072365. The cubic root of 13664116 is about 239.0711552052.

The spelling of 13664116 in words is "thirteen million, six hundred sixty-four thousand, one hundred sixteen".