11663061 has 16 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 7570160.

The previous prime is 11663053. The next prime is 11663063. The reversal of 11663061 is 16036611.

It is a cyclic number.

It is not a de Polignac number, because 11663061 - 2³ = 11663053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22936 + ... + 23438.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^11663061 is an apocalyptic number.

It is an amenable number.

11663061 is a deficient number, since it is larger than the sum of its proper divisors (4303659).

11663061 is a wasteful number, since it uses less digits than its factorization.

11663061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 11663061 is about 3415.1223989778. The cubic root of 11663061 is about 226.7797030880.

Adding to 11663061 its reverse (16036611), we get a palindrome (27699672).

The spelling of 11663061 in words is "eleven million, six hundred sixty-three thousand, sixty-one".