23660544960 has 448 divisors, whose sum is σ = 94629427200. Its totient is φ = 5517103104.

The previous prime is 23660544959. The next prime is 23660544961. The reversal of 23660544960 is 6944506632.

23660544960 is a `hidden beast` number, since 2 + 36 + 605 + 4 + 4 + 9 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23660544959) and next prime (23660544961).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23660544961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2128537 + ... + 2139623.

It is an arithmetic number, because the mean of its divisors is an integer number (211226400).

Almost surely, 2^23660544960 is an apocalyptic number.

23660544960 is a gapful number since it is divisible by the number (20) 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 23660544960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47314713600).

23660544960 is an abundant number, since it is smaller than the sum of its proper divisors (70968882240).

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

23660544960 is a wasteful number, since it uses less digits than its factorization.

23660544960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145 (or 11129 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 23660544960 in words is "twenty-three billion, six hundred sixty million, five hundred forty-four thousand, nine hundred sixty".