16008913 has 4 divisors (see below), whose sum is σ = 16247920. Its totient is φ = 15769908.

The previous prime is 16008859. The next prime is 16008919. The reversal of 16008913 is 31980061.

It is a happy number.

16008913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16008913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16008919) 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, 119403 + ... + 119536.

It is an arithmetic number, because the mean of its divisors is an integer number (4061980).

Almost surely, 2^16008913 is an apocalyptic number.

It is an amenable number.

16008913 is a deficient number, since it is larger than the sum of its proper divisors (239007).

16008913 is an equidigital number, since it uses as much as digits as its factorization.

16008913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239006.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 16008913 is about 4001.1139698839. The cubic root of 16008913 is about 252.0309916113.

Adding to 16008913 its reverse (31980061), we get a palindrome (47988974).

The spelling of 16008913 in words is "sixteen million, eight thousand, nine hundred thirteen".