816056 has 16 divisors (see below), whose sum is σ = 1549800. Its totient is φ = 402784.

The previous prime is 816047. The next prime is 816077. The reversal of 816056 is 650618.

It is a congruent number.

It is an unprimeable number.

816056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 1278.

2⁸¹⁶⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

816056 is a deficient number, since it is larger than the sum of its proper divisors (733744).

816056 is a wasteful number, since it uses less digits than its factorization.

816056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 816056 is about 903.3581792401. The cubic root of 816056 is about 93.4487121849.

The spelling of 816056 in words is "eight hundred sixteen thousand, fifty-six".