816011383 has 4 divisors (see below), whose sum is σ = 890194248. Its totient is φ = 741828520.

The previous prime is 816011381. The next prime is 816011389. The reversal of 816011383 is 383110618.

816011383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 816011383 - 2¹ = 816011381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816011381) 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, 37091416 + ... + 37091437.

It is an arithmetic number, because the mean of its divisors is an integer number (222548562).

Almost surely, 2^816011383 is an apocalyptic number.

816011383 is a deficient number, since it is larger than the sum of its proper divisors (74182865).

816011383 is a wasteful number, since it uses less digits than its factorization.

816011383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74182864.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 816011383 is about 28565.9129558290. The cubic root of 816011383 is about 934.4700908402.

The spelling of 816011383 in words is "eight hundred sixteen million, eleven thousand, three hundred eighty-three".