1322477979168 has 192 divisors, whose sum is σ = 3767338003968. Its totient is φ = 404615823360.

The previous prime is 1322477979157. The next prime is 1322477979169. The reversal of 1322477979168 is 8619797742231.

It is a junction number, because it is equal to n+sod(n) for n = 1322477979099 and 1322477979108.

It is not an unprimeable number, because it can be changed into a prime (1322477979169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21523146 + ... + 21584502.

It is an arithmetic number, because the mean of its divisors is an integer number (19621552104).

Almost surely, 2^{1322477979168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322477979168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883669001984).

1322477979168 is an abundant number, since it is smaller than the sum of its proper divisors (2444860024800).

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

1322477979168 is a wasteful number, since it uses less digits than its factorization.

1322477979168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61715 (or 61707 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 66.

The spelling of 1322477979168 in words is "one trillion, three hundred twenty-two billion, four hundred seventy-seven million, nine hundred seventy-nine thousand, one hundred sixty-eight".