6627660 has 96 divisors (see below), whose sum is σ = 20744640. Its totient is φ = 1569792.

The previous prime is 6627629. The next prime is 6627661. The reversal of 6627660 is 667266.

It is not an unprimeable number, because it can be changed into a prime (6627661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22474 + ... + 22766.

It is an arithmetic number, because the mean of its divisors is an integer number (216090).

Almost surely, 2^6627660 is an apocalyptic number.

6627660 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 6627660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10372320).

6627660 is an abundant number, since it is smaller than the sum of its proper divisors (14116980).

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

6627660 is a wasteful number, since it uses less digits than its factorization.

6627660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 6627660 is about 2574.4242074685. The cubic root of 6627660 is about 187.8394207504.

The spelling of 6627660 in words is "six million, six hundred twenty-seven thousand, six hundred sixty".