245323367517568 has 64 divisors (see below), whose sum is σ = 492172619087520. Its totient is φ = 121799232163840.

The previous prime is 245323367517551. The next prime is 245323367517587. The reversal of 245323367517568 is 865715763323542.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14350038 + ... + 26392618.

Almost surely, 2^{245323367517568} 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 245323367517568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246086309543760).

245323367517568 is an abundant number, since it is smaller than the sum of its proper divisors (246849251569952).

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

245323367517568 is a wasteful number, since it uses less digits than its factorization.

245323367517568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043715 (or 12043703 counting only the distinct ones).

The product of its digits is 762048000, while the sum is 67.

The spelling of 245323367517568 in words is "two hundred forty-five trillion, three hundred twenty-three billion, three hundred sixty-seven million, five hundred seventeen thousand, five hundred sixty-eight".