669506583 has 8 divisors (see below), whose sum is σ = 893054448. Its totient is φ = 446148224.

The previous prime is 669506569. The next prime is 669506647. The reversal of 669506583 is 385605966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 669506583 - 2⁴ = 669506567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669506503) by changing a digit.

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, 38916 + ... + 53417.

It is an arithmetic number, because the mean of its divisors is an integer number (111631806).

Almost surely, 2^669506583 is an apocalyptic number.

669506583 is a deficient number, since it is larger than the sum of its proper divisors (223547865).

669506583 is a wasteful number, since it uses less digits than its factorization.

669506583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94753.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 669506583 is about 25874.8252747724. The cubic root of 669506583 is about 874.8191552243.

The spelling of 669506583 in words is "six hundred sixty-nine million, five hundred six thousand, five hundred eighty-three".