2666254326 has 16 divisors (see below), whose sum is σ = 5387484144. Its totient is φ = 879588864.

The previous prime is 2666254301. The next prime is 2666254333. The reversal of 2666254326 is 6234526662.

It is a super-3 number, since 3×2666254326³ (a number of 29 digits) contains 333 as substring.

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, 2290015 + ... + 2291178.

It is an arithmetic number, because the mean of its divisors is an integer number (336717759).

Almost surely, 2^2666254326 is an apocalyptic number.

2666254326 is an abundant number, since it is smaller than the sum of its proper divisors (2721229818).

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

2666254326 is a wasteful number, since it uses less digits than its factorization.

2666254326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581295.

The product of its digits is 622080, while the sum is 42.

The square root of 2666254326 is about 51635.7853237462. The cubic root of 2666254326 is about 1386.6510697544.

The spelling of 2666254326 in words is "two billion, six hundred sixty-six million, two hundred fifty-four thousand, three hundred twenty-six".