669506360 has 32 divisors (see below), whose sum is σ = 1527031440. Its totient is φ = 264132864.

The previous prime is 669506351. The next prime is 669506381. The reversal of 669506360 is 63605966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111722 + ... + 117561.

Almost surely, 2^669506360 is an apocalyptic number.

It is an amenable number.

669506360 is an abundant number, since it is smaller than the sum of its proper divisors (857525080).

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

669506360 is a wasteful number, since it uses less digits than its factorization.

669506360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229367 (or 229363 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 669506360 is about 25874.8209655642. The cubic root of 669506360 is about 874.8190580957.

The spelling of 669506360 in words is "six hundred sixty-nine million, five hundred six thousand, three hundred sixty".