22016453616564 has 384 divisors, whose sum is σ = 58545512847360. Its totient is φ = 6382951372800.

The previous prime is 22016453616539. The next prime is 22016453616623. The reversal of 22016453616564 is 46561635461022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12602433939 + ... + 12602435685.

It is an arithmetic number, because the mean of its divisors is an integer number (152462273040).

Almost surely, 2^{22016453616564} 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 22016453616564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29272756423680).

22016453616564 is an abundant number, since it is smaller than the sum of its proper divisors (36529059230796).

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

22016453616564 is a wasteful number, since it uses less digits than its factorization.

22016453616564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 22016453616564 in words is "twenty-two trillion, sixteen billion, four hundred fifty-three million, six hundred sixteen thousand, five hundred sixty-four".