18230465568 has 192 divisors, whose sum is σ = 55496060928. Its totient is φ = 5132574720.

The previous prime is 18230465557. The next prime is 18230465599. The reversal of 18230465568 is 86556403281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20011033 + ... + 20011943.

It is an arithmetic number, because the mean of its divisors is an integer number (289041984).

Almost surely, 2^18230465568 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 18230465568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27748030464).

18230465568 is an abundant number, since it is smaller than the sum of its proper divisors (37265595360).

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

18230465568 is a wasteful number, since it uses less digits than its factorization.

18230465568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 18230465568 in words is "eighteen billion, two hundred thirty million, four hundred sixty-five thousand, five hundred sixty-eight".