5218023664 has 40 divisors (see below), whose sum is σ = 11926919168. Its totient is φ = 2164155840.

The previous prime is 5218023659. The next prime is 5218023703. The reversal of 5218023664 is 4663208125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747972 + ... + 754915.

Almost surely, 2^5218023664 is an apocalyptic number.

It is an amenable number.

5218023664 is an abundant number, since it is smaller than the sum of its proper divisors (6708895504).

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

5218023664 is a wasteful number, since it uses less digits than its factorization.

5218023664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502933 (or 1502927 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 5218023664 is about 72235.8890303151. The cubic root of 5218023664 is about 1734.4775438584.

The spelling of 5218023664 in words is "five billion, two hundred eighteen million, twenty-three thousand, six hundred sixty-four".