22146376666 has 8 divisors (see below), whose sum is σ = 34663893984. Its totient is φ = 10591745340.

The previous prime is 22146376631. The next prime is 22146376673. The reversal of 22146376666 is 66667364122.

It is a happy number.

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

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, 240721440 + ... + 240721531.

It is an arithmetic number, because the mean of its divisors is an integer number (4332986748).

Almost surely, 2^22146376666 is an apocalyptic number.

22146376666 is a deficient number, since it is larger than the sum of its proper divisors (12517517318).

22146376666 is a wasteful number, since it uses less digits than its factorization.

22146376666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481442996.

The product of its digits is 2612736, while the sum is 49.

The spelling of 22146376666 in words is "twenty-two billion, one hundred forty-six million, three hundred seventy-six thousand, six hundred sixty-six".