6599880 has 192 divisors, whose sum is σ = 25683840. Its totient is φ = 1492992.

The previous prime is 6599861. The next prime is 6599891. The reversal of 6599880 is 889956.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67992 + ... + 68088.

It is an arithmetic number, because the mean of its divisors is an integer number (133770).

Almost surely, 2^6599880 is an apocalyptic number.

6599880 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 6599880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12841920).

6599880 is an abundant number, since it is smaller than the sum of its proper divisors (19083960).

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

6599880 is a wasteful number, since it uses less digits than its factorization.

6599880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 6599880 is about 2569.0231606585. The cubic root of 6599880 is about 187.5766086950.

The spelling of 6599880 in words is "six million, five hundred ninety-nine thousand, eight hundred eighty".