669850268 has 12 divisors (see below), whose sum is σ = 1172460240. Its totient is φ = 334861632.

The previous prime is 669850267. The next prime is 669850271. The reversal of 669850268 is 862058966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669850267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14180 + ... + 39252.

It is an arithmetic number, because the mean of its divisors is an integer number (97705020).

Almost surely, 2^669850268 is an apocalyptic number.

It is an amenable number.

669850268 is a deficient number, since it is larger than the sum of its proper divisors (502609972).

669850268 is a wasteful number, since it uses less digits than its factorization.

669850268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31756 (or 31754 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 669850268 is about 25881.4657235636. The cubic root of 669850268 is about 874.9688230524.

The spelling of 669850268 in words is "six hundred sixty-nine million, eight hundred fifty thousand, two hundred sixty-eight".