6669170 has 16 divisors (see below), whose sum is σ = 12034008. Its totient is φ = 2661120.

The previous prime is 6669163. The next prime is 6669197. The reversal of 6669170 is 719666.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4661281 + 2007889 = 2159^2 + 1417^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6669170.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7130 + ... + 8010.

Almost surely, 2^6669170 is an apocalyptic number.

6669170 is a deficient number, since it is larger than the sum of its proper divisors (5364838).

6669170 is a wasteful number, since it uses less digits than its factorization.

6669170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 6669170 is about 2582.4736203880. The cubic root of 6669170 is about 188.2307600968.

The spelling of 6669170 in words is "six million, six hundred sixty-nine thousand, one hundred seventy".