16786116 has 60 divisors (see below), whose sum is σ = 44396352. Its totient is φ = 5530032.

The previous prime is 16786103. The next prime is 16786117. The reversal of 16786116 is 61168761.

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

It is not an unprimeable number, because it can be changed into a prime (16786117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33121 + ... + 33623.

Almost surely, 2^16786116 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 16786116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22198176).

16786116 is an abundant number, since it is smaller than the sum of its proper divisors (27610236).

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

16786116 is a wasteful number, since it uses less digits than its factorization.

16786116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 611 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 16786116 is about 4097.0862817373. The cubic root of 16786116 is about 256.0452597387.

The spelling of 16786116 in words is "sixteen million, seven hundred eighty-six thousand, one hundred sixteen".