11986164 has 96 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 3725568.

The previous prime is 11986159. The next prime is 11986171. The reversal of 11986164 is 46168911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134632 + ... + 134720.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

Almost surely, 2^11986164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11986164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16632000).

11986164 is an abundant number, since it is smaller than the sum of its proper divisors (21277836).

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

11986164 is a wasteful number, since it uses less digits than its factorization.

11986164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 166 counting only the distinct ones).

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

The square root of 11986164 is about 3462.1039845735. The cubic root of 11986164 is about 228.8548243032.

The spelling of 11986164 in words is "eleven million, nine hundred eighty-six thousand, one hundred sixty-four".