1146427381968 has 80 divisors (see below), whose sum is σ = 3269766721536. Its totient is φ = 343216654720.

The previous prime is 1146427381951. The next prime is 1146427381987. The reversal of 1146427381968 is 8691837246411.

It is a congruent number.

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, 13036080 + ... + 13123727.

Almost surely, 2^{1146427381968} is an apocalyptic number.

It is an amenable number.

1146427381968 is an abundant number, since it is smaller than the sum of its proper divisors (2123339339568).

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

1146427381968 is a wasteful number, since it uses less digits than its factorization.

1146427381968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26159912 (or 26159906 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 1146427381968 in words is "one trillion, one hundred forty-six billion, four hundred twenty-seven million, three hundred eighty-one thousand, nine hundred sixty-eight".