816745582 has 16 divisors (see below), whose sum is σ = 1249609680. Its totient is φ = 400226112.

The previous prime is 816745549. The next prime is 816745583. The reversal of 816745582 is 285547618.

816745582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816745583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105769 + ... + 113227.

It is an arithmetic number, because the mean of its divisors is an integer number (78100605).

Almost surely, 2^816745582 is an apocalyptic number.

816745582 is a deficient number, since it is larger than the sum of its proper divisors (432864098).

816745582 is a wasteful number, since it uses less digits than its factorization.

816745582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547.

The product of its digits is 537600, while the sum is 46.

The square root of 816745582 is about 28578.7610298277. The cubic root of 816745582 is about 934.7502672186.

The spelling of 816745582 in words is "eight hundred sixteen million, seven hundred forty-five thousand, five hundred eighty-two".