5131356660 has 72 divisors (see below), whose sum is σ = 15578166240. Its totient is φ = 1367214528.

The previous prime is 5131356577. The next prime is 5131356679. The reversal of 5131356660 is 666531315.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215299 + ... + 237941.

It is an arithmetic number, because the mean of its divisors is an integer number (216363420).

Almost surely, 2^5131356660 is an apocalyptic number.

It is an amenable number.

5131356660 is an abundant number, since it is smaller than the sum of its proper divisors (10446809580).

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

5131356660 is a wasteful number, since it uses less digits than its factorization.

5131356660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23917 (or 23912 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 5131356660 is about 71633.4883975365. The cubic root of 5131356660 is about 1724.8211433967.

Adding to 5131356660 its reverse (666531315), we get a palindrome (5797887975).

The spelling of 5131356660 in words is "five billion, one hundred thirty-one million, three hundred fifty-six thousand, six hundred sixty".