16822132866 has 288 divisors, whose sum is σ = 50098512960. Its totient is φ = 4136832000.

The previous prime is 16822132829. The next prime is 16822132883. The reversal of 16822132866 is 66823122861.

It is a super-2 number, since 2×16822132866² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10506466 + ... + 10508066.

It is an arithmetic number, because the mean of its divisors is an integer number (173953170).

Almost surely, 2^16822132866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16822132866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25049256480).

16822132866 is an abundant number, since it is smaller than the sum of its proper divisors (33276380094).

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

16822132866 is a wasteful number, since it uses less digits than its factorization.

16822132866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675 (or 1643 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 16822132866 in words is "sixteen billion, eight hundred twenty-two million, one hundred thirty-two thousand, eight hundred sixty-six".