68497334268 has 96 divisors (see below), whose sum is σ = 180165672960. Its totient is φ = 20066616000.

The previous prime is 68497334267. The next prime is 68497334273. The reversal of 68497334268 is 86243379486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68497334263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4243533 + ... + 4259643.

It is an arithmetic number, because the mean of its divisors is an integer number (1876725760).

Almost surely, 2^68497334268 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 68497334268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90082836480).

68497334268 is an abundant number, since it is smaller than the sum of its proper divisors (111668338692).

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

68497334268 is a wasteful number, since it uses less digits than its factorization.

68497334268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17199 (or 17197 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 60.

The spelling of 68497334268 in words is "sixty-eight billion, four hundred ninety-seven million, three hundred thirty-four thousand, two hundred sixty-eight".