6636480 has 112 divisors (see below), whose sum is σ = 21848064. Its totient is φ = 1704960.

The previous prime is 6636479. The next prime is 6636493. The reversal of 6636480 is 846366.

It is an Ulam number.

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, 29649 + ... + 29871.

It is an arithmetic number, because the mean of its divisors is an integer number (195072).

Almost surely, 2^6636480 is an apocalyptic number.

6636480 is a gapful number since it is divisible by the number (60) 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 6636480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10924032).

6636480 is an abundant number, since it is smaller than the sum of its proper divisors (15211584).

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

6636480 is a wasteful number, since it uses less digits than its factorization.

6636480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6636480 is about 2576.1366423387. The cubic root of 6636480 is about 187.9227085327.

The spelling of 6636480 in words is "six million, six hundred thirty-six thousand, four hundred eighty".