1166116500807 has 4 divisors (see below), whose sum is σ = 1554822001080. Its totient is φ = 777411000536.

The previous prime is 1166116500803. The next prime is 1166116500823. The reversal of 1166116500807 is 7080056116611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1166116500807 - 2² = 1166116500803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166116500803) 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, 194352750132 + ... + 194352750137.

It is an arithmetic number, because the mean of its divisors is an integer number (388705500270).

Almost surely, 2^{1166116500807} is an apocalyptic number.

1166116500807 is a deficient number, since it is larger than the sum of its proper divisors (388705500273).

1166116500807 is an equidigital number, since it uses as much as digits as its factorization.

1166116500807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388705500272.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 1166116500807 in words is "one trillion, one hundred sixty-six billion, one hundred sixteen million, five hundred thousand, eight hundred seven".