16516885 has 16 divisors (see below), whose sum is σ = 24711552. Its totient is φ = 10296000.

The previous prime is 16516861. The next prime is 16516889. The reversal of 16516885 is 58861561.

16516885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16516885 - 2⁹ = 16516373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21066 + ... + 21835.

It is an arithmetic number, because the mean of its divisors is an integer number (1544472).

Almost surely, 2^16516885 is an apocalyptic number.

It is an amenable number.

16516885 is a deficient number, since it is larger than the sum of its proper divisors (8194667).

16516885 is a wasteful number, since it uses less digits than its factorization.

16516885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42924.

The product of its digits is 57600, while the sum is 40.

The square root of 16516885 is about 4064.0970706911. The cubic root of 16516885 is about 254.6689796838.

The spelling of 16516885 in words is "sixteen million, five hundred sixteen thousand, eight hundred eighty-five".