816610108 has 24 divisors (see below), whose sum is σ = 1449358848. Its totient is φ = 402528816.

The previous prime is 816610099. The next prime is 816610133. The reversal of 816610108 is 801016618.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 816610108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171285 + ... + 175987.

It is an arithmetic number, because the mean of its divisors is an integer number (60389952).

Almost surely, 2^816610108 is an apocalyptic number.

It is an amenable number.

816610108 is a deficient number, since it is larger than the sum of its proper divisors (632748740).

816610108 is a wasteful number, since it uses less digits than its factorization.

816610108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 816610108 is about 28576.3907448089. The cubic root of 816610108 is about 934.6985818620.

The spelling of 816610108 in words is "eight hundred sixteen million, six hundred ten thousand, one hundred eight".