16118856 has 96 divisors (see below), whose sum is σ = 49827960. Its totient is φ = 4663296.

The previous prime is 16118833. The next prime is 16118891. The reversal of 16118856 is 65881161.

It can be written as a sum of positive squares in 4 ways, for example, as 7650756 + 8468100 = 2766^2 + 2910^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16118856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15406 + ... + 16418.

Almost surely, 2^16118856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16118856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24913980).

16118856 is an abundant number, since it is smaller than the sum of its proper divisors (33709104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16118856 is a wasteful number, since it uses less digits than its factorization.

16118856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1048 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 16118856 is about 4014.8295107015. The cubic root of 16118856 is about 252.6066262087.

The spelling of 16118856 in words is "sixteen million, one hundred eighteen thousand, eight hundred fifty-six".