816940606 has 16 divisors (see below), whose sum is σ = 1297123200. Its totient is φ = 384806808.

The previous prime is 816940603. The next prime is 816940633. The reversal of 816940606 is 606049618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816940601) 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, 53250 + ... + 66853.

It is an arithmetic number, because the mean of its divisors is an integer number (81070200).

Almost surely, 2^816940606 is an apocalyptic number.

816940606 is a deficient number, since it is larger than the sum of its proper divisors (480182594).

816940606 is a wasteful number, since it uses less digits than its factorization.

816940606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120303.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 816940606 is about 28582.1728705149. The cubic root of 816940606 is about 934.8246617556.

The spelling of 816940606 in words is "eight hundred sixteen million, nine hundred forty thousand, six hundred six".