23520606616 has 64 divisors (see below), whose sum is σ = 50138726400. Its totient is φ = 10254377088.

The previous prime is 23520606607. The next prime is 23520606619. The reversal of 23520606616 is 61660602532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23520606619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668521 + ... + 702823.

It is an arithmetic number, because the mean of its divisors is an integer number (783417600).

Almost surely, 2^23520606616 is an apocalyptic number.

23520606616 is a gapful number since it is divisible by the number (26) 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 23520606616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25069363200).

23520606616 is an abundant number, since it is smaller than the sum of its proper divisors (26618119784).

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

23520606616 is a wasteful number, since it uses less digits than its factorization.

23520606616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34688 (or 34684 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 23520606616 in words is "twenty-three billion, five hundred twenty million, six hundred six thousand, six hundred sixteen".