2864331216 has 30 divisors (see below), whose sum is σ = 8016149570. Its totient is φ = 954777024.

The previous prime is 2864331193. The next prime is 2864331221. The reversal of 2864331216 is 6121334682.

2864331216 is a `hidden beast` number, since 2 + 8 + 6 + 433 + 1 + 216 = 666.

2864331216 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., 2125578816 + 738752400 = 46104^2 + 27180^2 .

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9945451 + ... + 9945738.

Almost surely, 2^2864331216 is an apocalyptic number.

It is an amenable number.

2864331216 is an abundant number, since it is smaller than the sum of its proper divisors (5151818354).

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

2864331216 is a wasteful number, since it uses less digits than its factorization.

2864331216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19891203 (or 19891194 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2864331216 is about 53519.4470823457. The cubic root of 2864331216 is about 1420.1724342607.

Adding to 2864331216 its reverse (6121334682), we get a palindrome (8985665898).

The spelling of 2864331216 in words is "two billion, eight hundred sixty-four million, three hundred thirty-one thousand, two hundred sixteen".