1166151566504 has 16 divisors (see below), whose sum is σ = 2199627208800. Its totient is φ = 579584310832.

The previous prime is 1166151566501. The next prime is 1166151566527. The reversal of 1166151566504 is 4056651516611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1166151566501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436432634 + ... + 436435305.

It is an arithmetic number, because the mean of its divisors is an integer number (137476700550).

Almost surely, 2^{1166151566504} is an apocalyptic number.

It is an amenable number.

1166151566504 is a deficient number, since it is larger than the sum of its proper divisors (1033475642296).

1166151566504 is a wasteful number, since it uses less digits than its factorization.

1166151566504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872868112 (or 872868108 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 1166151566504 in words is "one trillion, one hundred sixty-six billion, one hundred fifty-one million, five hundred sixty-six thousand, five hundred four".