816146564366 has 24 divisors (see below), whose sum is σ = 1424270997360. Its totient is φ = 349733251392.

The previous prime is 816146564357. The next prime is 816146564369. The reversal of 816146564366 is 663465641618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816146564369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269846 + ... + 1305798.

It is an arithmetic number, because the mean of its divisors is an integer number (59344624890).

Almost surely, 2^816146564366 is an apocalyptic number.

816146564366 is a deficient number, since it is larger than the sum of its proper divisors (608124432994).

816146564366 is a wasteful number, since it uses less digits than its factorization.

816146564366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044008 (or 1044001 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 56.

The spelling of 816146564366 in words is "eight hundred sixteen billion, one hundred forty-six million, five hundred sixty-four thousand, three hundred sixty-six".