11663606 has 16 divisors (see below), whose sum is σ = 18524160. Its totient is φ = 5492520.

The previous prime is 11663593. The next prime is 11663609. The reversal of 11663606 is 60636611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6455 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1157760).

Almost surely, 2^11663606 is an apocalyptic number.

11663606 is a deficient number, since it is larger than the sum of its proper divisors (6860554).

11663606 is a wasteful number, since it uses less digits than its factorization.

11663606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 11663606 is about 3415.2021902078. The cubic root of 11663606 is about 226.7832354086.

The spelling of 11663606 in words is "eleven million, six hundred sixty-three thousand, six hundred six".