1321622660885 has 8 divisors (see below), whose sum is σ = 1669418098080. Its totient is φ = 1001650858704.

The previous prime is 1321622660873. The next prime is 1321622660893. The reversal of 1321622660885 is 5880662261231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321622660885 - 2⁶ = 1321622660821 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 6955908647 + ... + 6955908836.

It is an arithmetic number, because the mean of its divisors is an integer number (208677262260).

Almost surely, 2^{1321622660885} is an apocalyptic number.

It is an amenable number.

1321622660885 is a deficient number, since it is larger than the sum of its proper divisors (347795437195).

1321622660885 is a wasteful number, since it uses less digits than its factorization.

1321622660885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911817507.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 1321622660885 in words is "one trillion, three hundred twenty-one billion, six hundred twenty-two million, six hundred sixty thousand, eight hundred eighty-five".