1316801122648 has 32 divisors (see below), whose sum is σ = 2723720418000. Its totient is φ = 591820725760.

The previous prime is 1316801122631. The next prime is 1316801122667. The reversal of 1316801122648 is 8462211086131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84057613 + ... + 84073276.

Almost surely, 2^{1316801122648} is an apocalyptic number.

It is an amenable number.

1316801122648 is an abundant number, since it is smaller than the sum of its proper divisors (1406919295352).

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

1316801122648 is a wasteful number, since it uses less digits than its factorization.

1316801122648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168130995 (or 168130991 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 1316801122648 in words is "one trillion, three hundred sixteen billion, eight hundred one million, one hundred twenty-two thousand, six hundred forty-eight".