1321432466116 has 48 divisors (see below), whose sum is σ = 2786097516160. Its totient is φ = 535724098560.

The previous prime is 1321432466077. The next prime is 1321432466147. The reversal of 1321432466116 is 6116642341231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487355 + ... + 2203426.

Almost surely, 2^{1321432466116} is an apocalyptic number.

It is an amenable number.

1321432466116 is an abundant number, since it is smaller than the sum of its proper divisors (1464665050044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321432466116 is a wasteful number, since it uses less digits than its factorization.

1321432466116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691484 (or 3691482 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The spelling of 1321432466116 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-two million, four hundred sixty-six thousand, one hundred sixteen".