2668888926 has 96 divisors (see below), whose sum is σ = 6580828800. Its totient is φ = 803947680.

The previous prime is 2668888907. The next prime is 2668888931. The reversal of 2668888926 is 6298888662.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955540 + ... + 958328.

It is an arithmetic number, because the mean of its divisors is an integer number (68550300).

Almost surely, 2^2668888926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668888926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3290414400).

2668888926 is an abundant number, since it is smaller than the sum of its proper divisors (3911939874).

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

2668888926 is a wasteful number, since it uses less digits than its factorization.

2668888926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996 (or 2984 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The square root of 2668888926 is about 51661.2904020022. The cubic root of 2668888926 is about 1387.1076488878.

The spelling of 2668888926 in words is "two billion, six hundred sixty-eight million, eight hundred eighty-eight thousand, nine hundred twenty-six".