5311664144 has 60 divisors (see below), whose sum is σ = 11169940212. Its totient is φ = 2438430720.

The previous prime is 5311664143. The next prime is 5311664173. The reversal of 5311664144 is 4414661135.

It can be written as a sum of positive squares in 6 ways, for example, as 1201315600 + 4110348544 = 34660^2 + 64112^2 .

It is not an unprimeable number, because it can be changed into a prime (5311664143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451424 + ... + 463040.

Almost surely, 2^5311664144 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 5311664144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5584970106).

5311664144 is an abundant number, since it is smaller than the sum of its proper divisors (5858276068).

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

5311664144 is a wasteful number, since it uses less digits than its factorization.

5311664144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724 (or 11677 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 5311664144 is about 72881.1645351527. The cubic root of 5311664144 is about 1744.7914950256.

The spelling of 5311664144 in words is "five billion, three hundred eleven million, six hundred sixty-four thousand, one hundred forty-four".