16678116 has 96 divisors (see below), whose sum is σ = 53249280. Its totient is φ = 4396032.

The previous prime is 16678111. The next prime is 16678133. The reversal of 16678116 is 61187661.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16678111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8980 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (554680).

Almost surely, 2^16678116 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 16678116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26624640).

16678116 is an abundant number, since it is smaller than the sum of its proper divisors (36571164).

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

16678116 is a wasteful number, since it uses less digits than its factorization.

16678116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1722 counting only the distinct ones).

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

The square root of 16678116 is about 4083.8849151268. The cubic root of 16678116 is about 255.4949556234.

The spelling of 16678116 in words is "sixteen million, six hundred seventy-eight thousand, one hundred sixteen".