816182288 has 20 divisors (see below), whose sum is σ = 1581950460. Its totient is φ = 407937024.

The previous prime is 816182281. The next prime is 816182317. The reversal of 816182288 is 882281618.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 579268624 + 236913664 = 24068^2 + 15392^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (816182281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42656 + ... + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (79097523).

Almost surely, 2^816182288 is an apocalyptic number.

It is an amenable number.

816182288 is a deficient number, since it is larger than the sum of its proper divisors (765768172).

816182288 is a wasteful number, since it uses less digits than its factorization.

816182288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19274 (or 19268 counting only the distinct ones).

The product of its digits is 98304, while the sum is 44.

The square root of 816182288 is about 28568.9042141976. The cubic root of 816182288 is about 934.5353245963.

The spelling of 816182288 in words is "eight hundred sixteen million, one hundred eighty-two thousand, two hundred eighty-eight".