2812163328 has 108 divisors (see below), whose sum is σ = 8731957780. Its totient is φ = 865271808.

The previous prime is 2812163323. The next prime is 2812163351. The reversal of 2812163328 is 8233612182.

2812163328 is a `hidden beast` number, since 2 + 8 + 12 + 1 + 633 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 154554624 + 2657608704 = 12432^2 + 51552^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2812163292 and 2812163301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812163323) 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, 16993 + ... + 76896.

Almost surely, 2^2812163328 is an apocalyptic number.

It is an amenable number.

2812163328 is an abundant number, since it is smaller than the sum of its proper divisors (5919794452).

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

2812163328 is a wasteful number, since it uses less digits than its factorization.

2812163328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93924 (or 93907 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2812163328 is about 53029.8343199373. The cubic root of 2812163328 is about 1411.4977174327.

The spelling of 2812163328 in words is "two billion, eight hundred twelve million, one hundred sixty-three thousand, three hundred twenty-eight".