6696564 has 48 divisors (see below), whose sum is σ = 18480000. Its totient is φ = 1846656.

The previous prime is 6696553. The next prime is 6696577. The reversal of 6696564 is 4656966.

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

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, 1062 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (385000).

Almost surely, 2^6696564 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 6696564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9240000).

6696564 is an abundant number, since it is smaller than the sum of its proper divisors (11783436).

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

6696564 is a wasteful number, since it uses less digits than its factorization.

6696564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2790 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 6696564 is about 2587.7720146875. The cubic root of 6696564 is about 188.4881309265.

It can be divided in two parts, 6696 and 564, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6696564 in words is "six million, six hundred ninety-six thousand, five hundred sixty-four".