11621164 has 12 divisors (see below), whose sum is σ = 21221424. Its totient is φ = 5557904.

The previous prime is 11621147. The next prime is 11621167. The reversal of 11621164 is 46112611.

It is not an unprimeable number, because it can be changed into a prime (11621167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63067 + ... + 63250.

It is an arithmetic number, because the mean of its divisors is an integer number (1768452).

Almost surely, 2^11621164 is an apocalyptic number.

It is an amenable number.

11621164 is a deficient number, since it is larger than the sum of its proper divisors (9600260).

11621164 is a wasteful number, since it uses less digits than its factorization.

11621164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126344 (or 126342 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 11621164 is about 3408.9828394992. The cubic root of 11621164 is about 226.5078250849.

Adding to 11621164 its reverse (46112611), we get a palindrome (57733775).

It can be divided in two parts, 1162116 and 4, that multiplied together give a palindrome (4648464).

The spelling of 11621164 in words is "eleven million, six hundred twenty-one thousand, one hundred sixty-four".