21882066326 has 16 divisors (see below), whose sum is σ = 33884896704. Its totient is φ = 10590165504.

The previous prime is 21882066277. The next prime is 21882066343. The reversal of 21882066326 is 62366028812.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751790 + ... + 780353.

It is an arithmetic number, because the mean of its divisors is an integer number (2117806044).

Almost surely, 2^21882066326 is an apocalyptic number.

21882066326 is a deficient number, since it is larger than the sum of its proper divisors (12002830378).

21882066326 is a wasteful number, since it uses less digits than its factorization.

21882066326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532375.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 21882066326 in words is "twenty-one billion, eight hundred eighty-two million, sixty-six thousand, three hundred twenty-six".