21622131466616 has 64 divisors (see below), whose sum is σ = 41154795601920. Its totient is φ = 10648730476800.

The previous prime is 21622131466577. The next prime is 21622131466631. The reversal of 21622131466616 is 61666413122612.

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 15 ways as a sum of consecutive naturals, for example, 211447436 + ... + 211549668.

It is an arithmetic number, because the mean of its divisors is an integer number (643043681280).

Almost surely, 2^{21622131466616} is an apocalyptic number.

It is an amenable number.

21622131466616 is a deficient number, since it is larger than the sum of its proper divisors (19532664135304).

21622131466616 is a wasteful number, since it uses less digits than its factorization.

21622131466616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103716 (or 103712 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The spelling of 21622131466616 in words is "twenty-one trillion, six hundred twenty-two billion, one hundred thirty-one million, four hundred sixty-six thousand, six hundred sixteen".