21883127366 has 4 divisors (see below), whose sum is σ = 32824691052. Its totient is φ = 10941563682.

The previous prime is 21883127353. The next prime is 21883127381. The reversal of 21883127366 is 66372138812.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21883127366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5470781840 + ... + 5470781843.

It is an arithmetic number, because the mean of its divisors is an integer number (8206172763).

Almost surely, 2^21883127366 is an apocalyptic number.

21883127366 is a deficient number, since it is larger than the sum of its proper divisors (10941563686).

21883127366 is a wasteful number, since it uses less digits than its factorization.

21883127366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10941563685.

The product of its digits is 580608, while the sum is 47.

The spelling of 21883127366 in words is "twenty-one billion, eight hundred eighty-three million, one hundred twenty-seven thousand, three hundred sixty-six".