664333848 has 24 divisors (see below), whose sum is σ = 1799237700. Its totient is φ = 221444592.

The previous prime is 664333847. The next prime is 664333889. The reversal of 664333848 is 848333466.

664333848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664333847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4613358 + ... + 4613501.

Almost surely, 2^664333848 is an apocalyptic number.

It is an amenable number.

664333848 is an abundant number, since it is smaller than the sum of its proper divisors (1134903852).

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

664333848 is a wasteful number, since it uses less digits than its factorization.

664333848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226871 (or 9226864 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 664333848 is about 25774.6745469269. The cubic root of 664333848 is about 872.5603214973.

The spelling of 664333848 in words is "six hundred sixty-four million, three hundred thirty-three thousand, eight hundred forty-eight".