21926966662 has 8 divisors (see below), whose sum is σ = 32919028992. Its totient is φ = 10953957000.

The previous prime is 21926966657. The next prime is 21926966669. The reversal of 21926966662 is 26666962912.

21926966662 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21926966669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760289 + ... + 4764892.

It is an arithmetic number, because the mean of its divisors is an integer number (4114878624).

Almost surely, 2^21926966662 is an apocalyptic number.

21926966662 is a deficient number, since it is larger than the sum of its proper divisors (10992062330).

21926966662 is a wasteful number, since it uses less digits than its factorization.

21926966662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526334.

The product of its digits is 5038848, while the sum is 55.

The spelling of 21926966662 in words is "twenty-one billion, nine hundred twenty-six million, nine hundred sixty-six thousand, six hundred sixty-two".