11663136 has 48 divisors (see below), whose sum is σ = 34020000. Its totient is φ = 3887424.

The previous prime is 11663117. The next prime is 11663143. The reversal of 11663136 is 63136611.

It is a happy number.

11663136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5886 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (708750).

Almost surely, 2^11663136 is an apocalyptic number.

11663136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11663136 is an abundant number, since it is smaller than the sum of its proper divisors (22356864).

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

11663136 is a wasteful number, since it uses less digits than its factorization.

11663136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13518 (or 13504 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 11663136 is about 3415.1333795329. The cubic root of 11663136 is about 226.7801891937.

Adding to 11663136 its reverse (63136611), we get a palindrome (74799747).

The spelling of 11663136 in words is "eleven million, six hundred sixty-three thousand, one hundred thirty-six".