2818655516 has 12 divisors (see below), whose sum is σ = 4936396080. Its totient is φ = 1408256640.

The previous prime is 2818655509. The next prime is 2818655533. The reversal of 2818655516 is 6155568182.

It is a congruent number.

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, 261845 + ... + 272396.

It is an arithmetic number, because the mean of its divisors is an integer number (411366340).

Almost surely, 2^2818655516 is an apocalyptic number.

It is an amenable number.

2818655516 is a deficient number, since it is larger than the sum of its proper divisors (2117740564).

2818655516 is a wasteful number, since it uses less digits than its factorization.

2818655516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535564 (or 535562 counting only the distinct ones).

The product of its digits is 576000, while the sum is 47.

The square root of 2818655516 is about 53091.0116309720. The cubic root of 2818655516 is about 1412.5830818179.

The spelling of 2818655516 in words is "two billion, eight hundred eighteen million, six hundred fifty-five thousand, five hundred sixteen".