11656149 has 8 divisors (see below), whose sum is σ = 15563712. Its totient is φ = 7759680.

The previous prime is 11656111. The next prime is 11656159. The reversal of 11656149 is 94165611.

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

It is not a de Polignac number, because 11656149 - 2⁸ = 11655893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11656109) 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, 109 + ... + 4829.

It is an arithmetic number, because the mean of its divisors is an integer number (1945464).

Almost surely, 2^11656149 is an apocalyptic number.

It is an amenable number.

11656149 is a deficient number, since it is larger than the sum of its proper divisors (3907563).

11656149 is an equidigital number, since it uses as much as digits as its factorization.

11656149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547.

The product of its digits is 6480, while the sum is 33.

The square root of 11656149 is about 3414.1102794140. The cubic root of 11656149 is about 226.7348946378.

It can be divided in two parts, 116 and 56149, that added together give a palindrome (56265).

The spelling of 11656149 in words is "eleven million, six hundred fifty-six thousand, one hundred forty-nine".