11890183666 has 8 divisors (see below), whose sum is σ = 18061038720. Its totient is φ = 5869837428.

The previous prime is 11890183663. The next prime is 11890183667. The reversal of 11890183666 is 66638109811.

It is a happy number.

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

It is a super-2 number, since 2×11890183666² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11890183663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37627006 + ... + 37627321.

It is an arithmetic number, because the mean of its divisors is an integer number (2257629840).

Almost surely, 2^11890183666 is an apocalyptic number.

11890183666 is a deficient number, since it is larger than the sum of its proper divisors (6170855054).

11890183666 is an equidigital number, since it uses as much as digits as its factorization.

11890183666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75254408.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 11890183666 in words is "eleven billion, eight hundred ninety million, one hundred eighty-three thousand, six hundred sixty-six".