2068291968 has 128 divisors (see below), whose sum is σ = 5816448000. Its totient is φ = 649377792.

The previous prime is 2068291921. The next prime is 2068292003. The reversal of 2068291968 is 8691928602.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 2068291968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436593 + ... + 1438031.

It is an arithmetic number, because the mean of its divisors is an integer number (45441000).

Almost surely, 2^2068291968 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 2068291968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2908224000).

2068291968 is an abundant number, since it is smaller than the sum of its proper divisors (3748156032).

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

2068291968 is a wasteful number, since it uses less digits than its factorization.

2068291968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2068291968 is about 45478.4780747993. The cubic root of 2068291968 is about 1274.1012696063.

The spelling of 2068291968 in words is "two billion, sixty-eight million, two hundred ninety-one thousand, nine hundred sixty-eight".