5321504664 has 144 divisors (see below), whose sum is σ = 17494654320. Its totient is φ = 1454302080.

The previous prime is 5321504653. The next prime is 5321504693. The reversal of 5321504664 is 4664051235.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48354 + ... + 113934.

It is an arithmetic number, because the mean of its divisors is an integer number (121490655).

Almost surely, 2^5321504664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5321504664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8747327160).

5321504664 is an abundant number, since it is smaller than the sum of its proper divisors (12173149656).

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

5321504664 is a wasteful number, since it uses less digits than its factorization.

5321504664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65630 (or 65616 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 5321504664 is about 72948.6440175553. The cubic root of 5321504664 is about 1745.8683115726.

Adding to 5321504664 its reverse (4664051235), we get a palindrome (9985555899).

The spelling of 5321504664 in words is "five billion, three hundred twenty-one million, five hundred four thousand, six hundred sixty-four".