2531159616 has 28 divisors (see below), whose sum is σ = 6697026992. Its totient is φ = 843719808.

The previous prime is 2531159581. The next prime is 2531159621. The reversal of 2531159616 is 6169511352.

It is a happy number.

2531159616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6591370 + ... + 6591753.

Almost surely, 2^2531159616 is an apocalyptic number.

It is an amenable number.

2531159616 is an abundant number, since it is smaller than the sum of its proper divisors (4165867376).

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

2531159616 is a wasteful number, since it uses less digits than its factorization.

2531159616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183138 (or 13183128 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 2531159616 is about 50310.6312423130. The cubic root of 2531159616 is about 1362.8242233320.

The spelling of 2531159616 in words is "two billion, five hundred thirty-one million, one hundred fifty-nine thousand, six hundred sixteen".