23553819216 has 30 divisors (see below), whose sum is σ = 65917980570. Its totient is φ = 7851273024.

The previous prime is 23553819197. The next prime is 23553819239. The reversal of 23553819216 is 61291835532.

23553819216 is a `hidden beast` number, since 2 + 3 + 55 + 381 + 9 + 216 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23043240000 + 510579216 = 151800^2 + 22596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81783951 + ... + 81784238.

It is an arithmetic number, because the mean of its divisors is an integer number (2197266019).

Almost surely, 2^23553819216 is an apocalyptic number.

It is an amenable number.

23553819216 is an abundant number, since it is smaller than the sum of its proper divisors (42364161354).

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

23553819216 is a wasteful number, since it uses less digits than its factorization.

23553819216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163568203 (or 163568194 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 23553819216 in words is "twenty-three billion, five hundred fifty-three million, eight hundred nineteen thousand, two hundred sixteen".