6696816 has 80 divisors (see below), whose sum is σ = 20832000. Its totient is φ = 1810944.

The previous prime is 6696799. The next prime is 6696829. The reversal of 6696816 is 6186966.

6696816 = T₂₆₁ + T₂₆₂ + ... + T₃₈₆.

6696816 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

6696816 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5860 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 2^6696816 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 6696816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10416000).

6696816 is an abundant number, since it is smaller than the sum of its proper divisors (14135184).

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

6696816 is a wasteful number, since it uses less digits than its factorization.

6696816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1080 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 6696816 is about 2587.8207047630. The cubic root of 6696816 is about 188.4904952441.

The spelling of 6696816 in words is "six million, six hundred ninety-six thousand, eight hundred sixteen".