11818285166 has 4 divisors (see below), whose sum is σ = 17727427752. Its totient is φ = 5909142582.

The previous prime is 11818285153. The next prime is 11818285177. The reversal of 11818285166 is 66158281811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66158281811 = 881 ⋅75094531.

It is a self number, because there is not a number n which added to its sum of digits gives 11818285166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2954571290 + ... + 2954571293.

It is an arithmetic number, because the mean of its divisors is an integer number (4431856938).

Almost surely, 2^11818285166 is an apocalyptic number.

11818285166 is a deficient number, since it is larger than the sum of its proper divisors (5909142586).

11818285166 is an equidigital number, since it uses as much as digits as its factorization.

11818285166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909142585.

The product of its digits is 184320, while the sum is 47.

The spelling of 11818285166 in words is "eleven billion, eight hundred eighteen million, two hundred eighty-five thousand, one hundred sixty-six".