669406230 has 48 divisors (see below), whose sum is σ = 1742049504. Its totient is φ = 178344960.

The previous prime is 669406211. The next prime is 669406267. The reversal of 669406230 is 32604966.

669406230 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 23 ways as a sum of consecutive naturals, for example, 120310 + ... + 125750.

It is an arithmetic number, because the mean of its divisors is an integer number (36292698).

Almost surely, 2^669406230 is an apocalyptic number.

669406230 is an abundant number, since it is smaller than the sum of its proper divisors (1072643274).

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

669406230 is a wasteful number, since it uses less digits than its factorization.

669406230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6818 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 669406230 is about 25872.8860005992. The cubic root of 669406230 is about 874.7754438724.

The spelling of 669406230 in words is "six hundred sixty-nine million, four hundred six thousand, two hundred thirty".