5313233664 has 144 divisors (see below), whose sum is σ = 15765699040. Its totient is φ = 1765048320.

The previous prime is 5313233659. The next prime is 5313233687. The reversal of 5313233664 is 4663323135.

5313233664 is a `hidden beast` number, since 5 + 313 + 2 + 336 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328204 + ... + 2330484.

Almost surely, 2^5313233664 is an apocalyptic number.

5313233664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5313233664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7882849520).

5313233664 is an abundant number, since it is smaller than the sum of its proper divisors (10452465376).

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

5313233664 is a wasteful number, since it uses less digits than its factorization.

5313233664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2623 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 5313233664 is about 72891.9314053346. The cubic root of 5313233664 is about 1744.9633316597.

Adding to 5313233664 its reverse (4663323135), we get a palindrome (9976556799).

The spelling of 5313233664 in words is "five billion, three hundred thirteen million, two hundred thirty-three thousand, six hundred sixty-four".