5131006664 has 64 divisors (see below), whose sum is σ = 11626675200. Its totient is φ = 2076134400.

The previous prime is 5131006649. The next prime is 5131006687. The reversal of 5131006664 is 4666001315.

It is a self number, because there is not a number n which added to its sum of digits gives 5131006664.

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, 35132 + ... + 107220.

It is an arithmetic number, because the mean of its divisors is an integer number (181666800).

Almost surely, 2^5131006664 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 5131006664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5813337600).

5131006664 is an abundant number, since it is smaller than the sum of its proper divisors (6495668536).

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

5131006664 is a wasteful number, since it uses less digits than its factorization.

5131006664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72174 (or 72170 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5131006664 is about 71631.0453923437. The cubic root of 5131006664 is about 1724.7819273721.

Adding to 5131006664 its reverse (4666001315), we get a palindrome (9797007979).

The spelling of 5131006664 in words is "five billion, one hundred thirty-one million, six thousand, six hundred sixty-four".