22171661366 has 8 divisors (see below), whose sum is σ = 33259601160. Its totient is φ = 11085127648.

The previous prime is 22171661327. The next prime is 22171661387. The reversal of 22171661366 is 66316617122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311171 + ... + 375726.

It is an arithmetic number, because the mean of its divisors is an integer number (4157450145).

Almost surely, 2^22171661366 is an apocalyptic number.

22171661366 is a deficient number, since it is larger than the sum of its proper divisors (11087939794).

22171661366 is a wasteful number, since it uses less digits than its factorization.

22171661366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703038.

The product of its digits is 108864, while the sum is 41.

The spelling of 22171661366 in words is "twenty-two billion, one hundred seventy-one million, six hundred sixty-one thousand, three hundred sixty-six".