16079881 has 2 divisors, whose sum is σ = 16079882. Its totient is φ = 16079880.

The previous prime is 16079879. The next prime is 16079911. The reversal of 16079881 is 18897061.

16079881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462281 + 7617600 = 2909^2 + 2760^2 .

It is a cyclic number.

It is not a de Polignac number, because 16079881 - 2¹ = 16079879 is a prime.

It is a super-2 number, since 2×16079881² = 517125145948322, which contains 22 as substring.

Together with 16079879, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16079081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8039940 + 8039941.

It is an arithmetic number, because the mean of its divisors is an integer number (8039941).

Almost surely, 2^16079881 is an apocalyptic number.

It is an amenable number.

16079881 is a deficient number, since it is larger than the sum of its proper divisors (1).

16079881 is an equidigital number, since it uses as much as digits as its factorization.

16079881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 16079881 is about 4009.9726931739. The cubic root of 16079881 is about 252.4028630053.

The spelling of 16079881 in words is "sixteen million, seventy-nine thousand, eight hundred eighty-one".