2816331138 has 24 divisors (see below), whose sum is σ = 6103124976. Its totient is φ = 938611800.

The previous prime is 2816331137. The next prime is 2816331179. The reversal of 2816331138 is 8311336182.

2816331138 is a `hidden beast` number, since 2 + 8 + 1 + 633 + 1 + 13 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (2816331137) 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, 134433 + ... + 153963.

It is an arithmetic number, because the mean of its divisors is an integer number (254296874).

Almost surely, 2^2816331138 is an apocalyptic number.

2816331138 is an abundant number, since it is smaller than the sum of its proper divisors (3286793838).

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

2816331138 is a wasteful number, since it uses less digits than its factorization.

2816331138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550 (or 27547 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2816331138 is about 53069.1166122068. The cubic root of 2816331138 is about 1412.1946838779.

The spelling of 2816331138 in words is "two billion, eight hundred sixteen million, three hundred thirty-one thousand, one hundred thirty-eight".