2516312144 has 10 divisors (see below), whose sum is σ = 4875354810. Its totient is φ = 1258156064.

The previous prime is 2516312131. The next prime is 2516312167. The reversal of 2516312144 is 4412136152.

2516312144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1671828544 + 844483600 = 40888^2 + 29060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78634739 + ... + 78634770.

It is an arithmetic number, because the mean of its divisors is an integer number (487535481).

Almost surely, 2^2516312144 is an apocalyptic number.

It is an amenable number.

2516312144 is a deficient number, since it is larger than the sum of its proper divisors (2359042666).

2516312144 is a wasteful number, since it uses less digits than its factorization.

2516312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157269517 (or 157269511 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2516312144 is about 50162.8562185209. The cubic root of 2516312144 is about 1360.1542760395.

Adding to 2516312144 its reverse (4412136152), we get a palindrome (6928448296).

The spelling of 2516312144 in words is "two billion, five hundred sixteen million, three hundred twelve thousand, one hundred forty-four".