268598837239968 has 48 divisors (see below), whose sum is σ = 721468969806816. Its totient is φ = 87450784216320.

The previous prime is 268598837239961. The next prime is 268598837239987. The reversal of 268598837239968 is 869932738895862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (268598837239961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32533769763 + ... + 32533778018.

It is an arithmetic number, because the mean of its divisors is an integer number (15030603537642).

Almost surely, 2^{268598837239968} is an apocalyptic number.

It is an amenable number.

268598837239968 is an abundant number, since it is smaller than the sum of its proper divisors (452870132566848).

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

268598837239968 is a wasteful number, since it uses less digits than its factorization.

268598837239968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65067547837 (or 65067547829 counting only the distinct ones).

The product of its digits is 135444234240, while the sum is 93.

The spelling of 268598837239968 in words is "two hundred sixty-eight trillion, five hundred ninety-eight billion, eight hundred thirty-seven million, two hundred thirty-nine thousand, nine hundred sixty-eight".