6265664 has 28 divisors (see below), whose sum is σ = 12704064. Its totient is φ = 3064704.

The previous prime is 6265657. The next prime is 6265667. The reversal of 6265664 is 4665626.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6265667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 4049.

Almost surely, 2^6265664 is an apocalyptic number.

6265664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6265664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6352032).

6265664 is an abundant number, since it is smaller than the sum of its proper divisors (6438400).

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

6265664 is a wasteful number, since it uses less digits than its factorization.

6265664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2132 counting only the distinct ones).

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

The square root of 6265664 is about 2503.1308395687. The cubic root of 6265664 is about 184.3553310053.

The spelling of 6265664 in words is "six million, two hundred sixty-five thousand, six hundred sixty-four".