322656385666 has 8 divisors (see below), whose sum is σ = 483988013964. Its totient is φ = 161327047680.

The previous prime is 322656385637. The next prime is 322656385673. The reversal of 322656385666 is 666583656223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 317226906441 + 5429479225 = 563229^2 + 73685^2 .

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

It is a super-2 number, since 2×322656385666² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 322656385666.

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, 161295 + ... + 819346.

Almost surely, 2^322656385666 is an apocalyptic number.

322656385666 is a deficient number, since it is larger than the sum of its proper divisors (161331628298).

322656385666 is a wasteful number, since it uses less digits than its factorization.

322656385666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145156.

The product of its digits is 55987200, while the sum is 58.

The spelling of 322656385666 in words is "three hundred twenty-two billion, six hundred fifty-six million, three hundred eighty-five thousand, six hundred sixty-six".