11666510165179 has 4 divisors (see below), whose sum is σ = 11951059193640. Its totient is φ = 11381961136720.

The previous prime is 11666510165147. The next prime is 11666510165203. The reversal of 11666510165179 is 97156101566611.

It is a happy number.

11666510165179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11666510165179 - 2⁵ = 11666510165147 is a prime.

It is a super-2 number, since 2×11666510165179² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11666510165279) 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, 142274514169 + ... + 142274514250.

It is an arithmetic number, because the mean of its divisors is an integer number (2987764798410).

Almost surely, 2^{11666510165179} is an apocalyptic number.

11666510165179 is a deficient number, since it is larger than the sum of its proper divisors (284549028461).

11666510165179 is an equidigital number, since it uses as much as digits as its factorization.

11666510165179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284549028460.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 11666510165179 in words is "eleven trillion, six hundred sixty-six billion, five hundred ten million, one hundred sixty-five thousand, one hundred seventy-nine".