11164986 has 32 divisors (see below), whose sum is σ = 28356480. Its totient is φ = 3189888.

The previous prime is 11164981. The next prime is 11164987. The reversal of 11164986 is 68946111.

It is a happy number.

11164986 is a `hidden beast` number, since 1 + 1 + 1 + 649 + 8 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11164986.

It is not an unprimeable number, because it can be changed into a prime (11164981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14391 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (886140).

Almost surely, 2^11164986 is an apocalyptic number.

11164986 is an abundant number, since it is smaller than the sum of its proper divisors (17191494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11164986 is a wasteful number, since it uses less digits than its factorization.

11164986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29555 (or 29549 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11164986 is about 3341.4047943941. The cubic root of 11164986 is about 223.5043916078.

The spelling of 11164986 in words is "eleven million, one hundred sixty-four thousand, nine hundred eighty-six".