1166331350544 has 80 divisors (see below), whose sum is σ = 3023710470144. Its totient is φ = 387399952000.

The previous prime is 1166331350539. The next prime is 1166331350563. The reversal of 1166331350544 is 4450531336611.

It is a junction number, because it is equal to n+sod(n) for n = 1166331350496 and 1166331350505.

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, 20027869 + ... + 20086019.

Almost surely, 2^{1166331350544} is an apocalyptic number.

It is an amenable number.

1166331350544 is an abundant number, since it is smaller than the sum of its proper divisors (1857379119600).

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

1166331350544 is a wasteful number, since it uses less digits than its factorization.

1166331350544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59636 (or 59630 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1166331350544 in words is "one trillion, one hundred sixty-six billion, three hundred thirty-one million, three hundred fifty thousand, five hundred forty-four".