23664201560 has 32 divisors (see below), whose sum is σ = 53650911600. Its totient is φ = 9393421440.

The previous prime is 23664201553. The next prime is 23664201563. The reversal of 23664201560 is 6510246632.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23664201560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664201563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252795 + ... + 2263274.

Almost surely, 2^23664201560 is an apocalyptic number.

23664201560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23664201560 is an abundant number, since it is smaller than the sum of its proper divisors (29986710040).

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

23664201560 is a wasteful number, since it uses less digits than its factorization.

23664201560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516211 (or 4516207 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 23664201560 in words is "twenty-three billion, six hundred sixty-four million, two hundred one thousand, five hundred sixty".