5266664 has 32 divisors (see below), whose sum is σ = 10773000. Its totient is φ = 2399232.

The previous prime is 5266649. The next prime is 5266673. The reversal of 5266664 is 4666625.

It can be written as a sum of positive squares in 4 ways, for example, as 1844164 + 3422500 = 1358^2 + 1850^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8972 + ... + 9540.

Almost surely, 2^5266664 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 5266664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5386500).

5266664 is an abundant number, since it is smaller than the sum of its proper divisors (5506336).

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

5266664 is a wasteful number, since it uses less digits than its factorization.

5266664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 5266664 is about 2294.9213494148. The cubic root of 5266664 is about 173.9850253551.

The spelling of 5266664 in words is "five million, two hundred sixty-six thousand, six hundred sixty-four".