16640713 has 8 divisors (see below), whose sum is σ = 17990720. Its totient is φ = 15338160.

The previous prime is 16640681. The next prime is 16640731. The reversal of 16640713 is 31704661.

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

It is a cyclic number.

It is not a de Polignac number, because 16640713 - 2⁵ = 16640681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16640413) 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, 11133 + ... + 12538.

It is an arithmetic number, because the mean of its divisors is an integer number (2248840).

Almost surely, 2^16640713 is an apocalyptic number.

It is an amenable number.

16640713 is a deficient number, since it is larger than the sum of its proper divisors (1350007).

16640713 is a wasteful number, since it uses less digits than its factorization.

16640713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23727.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16640713 is about 4079.3030041908. The cubic root of 16640713 is about 255.3038183170.

The spelling of 16640713 in words is "sixteen million, six hundred forty thousand, seven hundred thirteen".