23621466648 has 96 divisors (see below), whose sum is σ = 64001102400. Its totient is φ = 7261847424.

The previous prime is 23621466641. The next prime is 23621466689. The reversal of 23621466648 is 84666412632.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23621466597 and 23621466606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23621466641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7246443 + ... + 7249701.

It is an arithmetic number, because the mean of its divisors is an integer number (666678150).

Almost surely, 2^23621466648 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 23621466648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32000551200).

23621466648 is an abundant number, since it is smaller than the sum of its proper divisors (40379635752).

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

23621466648 is a wasteful number, since it uses less digits than its factorization.

23621466648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081 (or 5064 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The spelling of 23621466648 in words is "twenty-three billion, six hundred twenty-one million, four hundred sixty-six thousand, six hundred forty-eight".