822365684687668 has 24 divisors (see below), whose sum is σ = 1571055836019264. Its totient is φ = 373544254560000.

The previous prime is 822365684687639. The next prime is 822365684687741. The reversal of 822365684687668 is 866786486563228.

It is a super-3 number, since 3×822365684687668³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 6458170333 + ... + 6458297668.

It is an arithmetic number, because the mean of its divisors is an integer number (65460659834136).

Almost surely, 2^{822365684687668} is an apocalyptic number.

It is an amenable number.

822365684687668 is a deficient number, since it is larger than the sum of its proper divisors (748690151331596).

822365684687668 is a wasteful number, since it uses less digits than its factorization.

822365684687668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916469463 (or 12916469461 counting only the distinct ones).

The product of its digits is 53508833280, while the sum is 85.

The spelling of 822365684687668 in words is "eight hundred twenty-two trillion, three hundred sixty-five billion, six hundred eighty-four million, six hundred eighty-seven thousand, six hundred sixty-eight".