22168745064 has 256 divisors, whose sum is σ = 67597440000. Its totient is φ = 6706706688.

The previous prime is 22168745041. The next prime is 22168745087. The reversal of 22168745064 is 46054786122.

It is an interprime number because it is at equal distance from previous prime (22168745041) and next prime (22168745087).

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, 10172727 + ... + 10174905.

It is an arithmetic number, because the mean of its divisors is an integer number (264052500).

Almost surely, 2^22168745064 is an apocalyptic number.

22168745064 is a gapful number since it is divisible by the number (24) 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 22168745064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33798720000).

22168745064 is an abundant number, since it is smaller than the sum of its proper divisors (45428694936).

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

22168745064 is a wasteful number, since it uses less digits than its factorization.

22168745064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 22168745064 in words is "twenty-two billion, one hundred sixty-eight million, seven hundred forty-five thousand, sixty-four".