18457160568 has 512 divisors, whose sum is σ = 61869588480. Its totient is φ = 4451328000.

The previous prime is 18457160537. The next prime is 18457160611. The reversal of 18457160568 is 86506175481.

It is a self number, because there is not a number n which added to its sum of digits gives 18457160568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 252837780 + ... + 252837852.

It is an arithmetic number, because the mean of its divisors is an integer number (120839040).

Almost surely, 2^18457160568 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 18457160568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30934794240).

18457160568 is an abundant number, since it is smaller than the sum of its proper divisors (43412427912).

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

18457160568 is a wasteful number, since it uses less digits than its factorization.

18457160568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 18457160568 in words is "eighteen billion, four hundred fifty-seven million, one hundred sixty thousand, five hundred sixty-eight".