816695863422 has 16 divisors (see below), whose sum is σ = 1634127184272. Its totient is φ = 272109378240.

The previous prime is 816695863411. The next prime is 816695863429. The reversal of 816695863422 is 224368596618.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816695863429) 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, 30629623 + ... + 30656274.

It is an arithmetic number, because the mean of its divisors is an integer number (102132949017).

Almost surely, 2^816695863422 is an apocalyptic number.

816695863422 is an abundant number, since it is smaller than the sum of its proper divisors (817431320850).

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

816695863422 is a wasteful number, since it uses less digits than its factorization.

816695863422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61288123.

The product of its digits is 29859840, while the sum is 60.

The spelling of 816695863422 in words is "eight hundred sixteen billion, six hundred ninety-five million, eight hundred sixty-three thousand, four hundred twenty-two".