6698016 has 72 divisors (see below), whose sum is σ = 20524140. Its totient is φ = 2059776.

The previous prime is 6698009. The next prime is 6698033. The reversal of 6698016 is 6108966.

It can be written as a sum of positive squares in 2 ways, for example, as 6656400 + 41616 = 2580^2 + 204^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850 + ... + 4638.

Almost surely, 2^6698016 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 6698016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10262070).

6698016 is an abundant number, since it is smaller than the sum of its proper divisors (13826124).

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

6698016 is a wasteful number, since it uses less digits than its factorization.

6698016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6698016 is about 2588.0525496983. The cubic root of 6698016 is about 188.5017530859.

The spelling of 6698016 in words is "six million, six hundred ninety-eight thousand, sixteen".