11516166001066 has 8 divisors (see below), whose sum is σ = 17274272695524. Its totient is φ = 5758075102560.

The previous prime is 11516166001063. The next prime is 11516166001091. The reversal of 11516166001066 is 66010066161511.

It can be written as a sum of positive squares in 2 ways, for example, as 10440944250025 + 1075221751041 = 3231245^2 + 1036929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11516166001063) 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, 1917285 + ... + 5168008.

Almost surely, 2^{11516166001066} is an apocalyptic number.

11516166001066 is a deficient number, since it is larger than the sum of its proper divisors (5758106694458).

11516166001066 is an equidigital number, since it uses as much as digits as its factorization.

11516166001066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897976.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 11516166001066 in words is "eleven trillion, five hundred sixteen billion, one hundred sixty-six million, one thousand, sixty-six".