22066161634500 has 192 divisors, whose sum is σ = 64550033533440. Its totient is φ = 5857505280000.

The previous prime is 22066161634469. The next prime is 22066161634513. The reversal of 22066161634500 is 543616166022.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 292892836 + ... + 292968164.

It is an arithmetic number, because the mean of its divisors is an integer number (336198091320).

Almost surely, 2^{22066161634500} is an apocalyptic number.

22066161634500 is a gapful number since it is divisible by the number (20) 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 22066161634500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32275016766720).

22066161634500 is an abundant number, since it is smaller than the sum of its proper divisors (42483871898940).

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

22066161634500 is a wasteful number, since it uses less digits than its factorization.

22066161634500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76239 (or 76227 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 22066161634500 in words is "twenty-two trillion, sixty-six billion, one hundred sixty-one million, six hundred thirty-four thousand, five hundred".