6628170 has 16 divisors (see below), whose sum is σ = 15907680. Its totient is φ = 1767504.

The previous prime is 6628159. The next prime is 6628177. The reversal of 6628170 is 718266.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 220939 = 6628170 / (6 + 6 + 2 + 8 + 1 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (6628177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110440 + ... + 110499.

It is an arithmetic number, because the mean of its divisors is an integer number (994230).

Almost surely, 2^6628170 is an apocalyptic number.

6628170 is an abundant number, since it is smaller than the sum of its proper divisors (9279510).

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

6628170 is a wasteful number, since it uses less digits than its factorization.

6628170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220949.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 6628170 is about 2574.5232568381. The cubic root of 6628170 is about 187.8442387227.

The spelling of 6628170 in words is "six million, six hundred twenty-eight thousand, one hundred seventy".