16111916 has 12 divisors (see below), whose sum is σ = 28261800. Its totient is φ = 8037120.

The previous prime is 16111883. The next prime is 16111919. The reversal of 16111916 is 61911161.

It is not an unprimeable number, because it can be changed into a prime (16111919) 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, 2690 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (2355150).

Almost surely, 2^16111916 is an apocalyptic number.

It is an amenable number.

16111916 is a deficient number, since it is larger than the sum of its proper divisors (12149884).

16111916 is a wasteful number, since it uses less digits than its factorization.

16111916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424 (or 9422 counting only the distinct ones).

The product of its digits is 324, while the sum is 26.

The square root of 16111916 is about 4013.9651219212. The cubic root of 16111916 is about 252.5703676048.

The spelling of 16111916 in words is "sixteen million, one hundred eleven thousand, nine hundred sixteen".