122663665360 has 80 divisors (see below), whose sum is σ = 289987546752. Its totient is φ = 48241267200.

The previous prime is 122663665349. The next prime is 122663665379. The reversal of 122663665360 is 63566366221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 122663665360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19082467 + ... + 19088893.

Almost surely, 2^122663665360 is an apocalyptic number.

122663665360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122663665360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144993773376).

122663665360 is an abundant number, since it is smaller than the sum of its proper divisors (167323881392).

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

122663665360 is a wasteful number, since it uses less digits than its factorization.

122663665360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412 (or 10406 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 122663665360 in words is "one hundred twenty-two billion, six hundred sixty-three million, six hundred sixty-five thousand, three hundred sixty".