22064666446663 has 8 divisors (see below), whose sum is σ = 22433857929216. Its totient is φ = 21697097784600.

The previous prime is 22064666446651. The next prime is 22064666446673. The reversal of 22064666446663 is 36664466646022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22064666446663 - 2¹³ = 22064666438471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064666446673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405677703 + ... + 405732088.

It is an arithmetic number, because the mean of its divisors is an integer number (2804232241152).

Almost surely, 2^{22064666446663} is an apocalyptic number.

22064666446663 is a deficient number, since it is larger than the sum of its proper divisors (369191482553).

22064666446663 is an equidigital number, since it uses as much as digits as its factorization.

22064666446663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811410245.

The product of its (nonzero) digits is 214990848, while the sum is 61.

The spelling of 22064666446663 in words is "twenty-two trillion, sixty-four billion, six hundred sixty-six million, four hundred forty-six thousand, six hundred sixty-three".