816983673 has 16 divisors (see below), whose sum is σ = 1189134336. Its totient is φ = 494810640.

The previous prime is 816983653. The next prime is 816983681. The reversal of 816983673 is 376389618.

816983673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 816983673 - 2⁸ = 816983417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (816983633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47436 + ... + 62322.

It is an arithmetic number, because the mean of its divisors is an integer number (74320896).

Almost surely, 2^816983673 is an apocalyptic number.

It is an amenable number.

816983673 is a deficient number, since it is larger than the sum of its proper divisors (372150663).

816983673 is a wasteful number, since it uses less digits than its factorization.

816983673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16564.

The product of its digits is 1306368, while the sum is 51.

The square root of 816983673 is about 28582.9262497737. The cubic root of 816983673 is about 934.8410886480.

It can be divided in two parts, 816 and 983673, that added together give a palindrome (984489).

The spelling of 816983673 in words is "eight hundred sixteen million, nine hundred eighty-three thousand, six hundred seventy-three".