816616316316 has 24 divisors (see below), whose sum is σ = 1905613943184. Its totient is φ = 272180314240.

The previous prime is 816616316293. The next prime is 816616316429. The reversal of 816616316316 is 613613616618.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004905 + ... + 3265376.

It is an arithmetic number, because the mean of its divisors is an integer number (79400580966).

Almost surely, 2^816616316316 is an apocalyptic number.

It is an amenable number.

816616316316 is an abundant number, since it is smaller than the sum of its proper divisors (1088997626868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816616316316 is a wasteful number, since it uses less digits than its factorization.

816616316316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281141 (or 6281139 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The spelling of 816616316316 in words is "eight hundred sixteen billion, six hundred sixteen million, three hundred sixteen thousand, three hundred sixteen".