11661106 has 8 divisors (see below), whose sum is σ = 17588844. Its totient is φ = 5798160.

The previous prime is 11661101. The next prime is 11661119. The reversal of 11661106 is 60116611.

It can be written as a sum of positive squares in 2 ways, for example, as 11594025 + 67081 = 3405^2 + 259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11661101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15745 + ... + 16468.

Almost surely, 2^11661106 is an apocalyptic number.

11661106 is a deficient number, since it is larger than the sum of its proper divisors (5927738).

11661106 is a wasteful number, since it uses less digits than its factorization.

11661106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32396.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11661106 is about 3414.8361600522. The cubic root of 11661106 is about 226.7670311975.

Adding to 11661106 its reverse (60116611), we get a palindrome (71777717).

The spelling of 11661106 in words is "eleven million, six hundred sixty-one thousand, one hundred six".