669565230 has 32 divisors (see below), whose sum is σ = 1701484704. Its totient is φ = 168047616.

The previous prime is 669565229. The next prime is 669565297. The reversal of 669565230 is 32565966.

669565230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 655927 + ... + 656946.

It is an arithmetic number, because the mean of its divisors is an integer number (53171397).

Almost surely, 2^669565230 is an apocalyptic number.

669565230 is an abundant number, since it is smaller than the sum of its proper divisors (1031919474).

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

669565230 is a wasteful number, since it uses less digits than its factorization.

669565230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312900.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 669565230 is about 25875.9585329703. The cubic root of 669565230 is about 874.8446984239.

The spelling of 669565230 in words is "six hundred sixty-nine million, five hundred sixty-five thousand, two hundred thirty".