669608033 has 8 divisors (see below), whose sum is σ = 679661280. Its totient is φ = 659625280.

The previous prime is 669608003. The next prime is 669608059. The reversal of 669608033 is 330806966.

669608033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 669608033 - 2⁶ = 669607969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669608003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 36633.

It is an arithmetic number, because the mean of its divisors is an integer number (84957660).

Almost surely, 2^669608033 is an apocalyptic number.

It is an amenable number.

669608033 is a deficient number, since it is larger than the sum of its proper divisors (10053247).

669608033 is a wasteful number, since it uses less digits than its factorization.

669608033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35247.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 669608033 is about 25876.7856002248. The cubic root of 669608033 is about 874.8633399633.

The spelling of 669608033 in words is "six hundred sixty-nine million, six hundred eight thousand, thirty-three".