22846663664 has 160 divisors (see below), whose sum is σ = 52120164096. Its totient is φ = 9586626560.

The previous prime is 22846663663. The next prime is 22846663673. The reversal of 22846663664 is 46636664822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22846663663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48921959 + ... + 48922425.

Almost surely, 2^22846663664 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 22846663664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26060082048).

22846663664 is an abundant number, since it is smaller than the sum of its proper divisors (29273500432).

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

22846663664 is a wasteful number, since it uses less digits than its factorization.

22846663664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 777 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 53.

The spelling of 22846663664 in words is "twenty-two billion, eight hundred forty-six million, six hundred sixty-three thousand, six hundred sixty-four".