816010605 has 40 divisors (see below), whose sum is σ = 1467762912. Its totient is φ = 433721952.

The previous prime is 816010589. The next prime is 816010609. The reversal of 816010605 is 506010618.

816010605 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 816010605 - 2⁴ = 816010589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816010609) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 121054 + ... + 127616.

Almost surely, 2^816010605 is an apocalyptic number.

It is an amenable number.

816010605 is a deficient number, since it is larger than the sum of its proper divisors (651752307).

816010605 is a wasteful number, since it uses less digits than its factorization.

816010605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887 (or 6878 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 816010605 is about 28565.8993381969. The cubic root of 816010605 is about 934.4697938599.

The spelling of 816010605 in words is "eight hundred sixteen million, ten thousand, six hundred five".