11142164 has 18 divisors (see below), whose sum is σ = 21433482. Its totient is φ = 5064400.

The previous prime is 11142107. The next prime is 11142181. The reversal of 11142164 is 46124111.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 3579664 = 2750^2 + 1892^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11027 + ... + 11994.

It is an arithmetic number, because the mean of its divisors is an integer number (1190749).

Almost surely, 2^11142164 is an apocalyptic number.

It is an amenable number.

11142164 is a deficient number, since it is larger than the sum of its proper divisors (10291318).

11142164 is a wasteful number, since it uses less digits than its factorization.

11142164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23047 (or 23034 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 11142164 is about 3337.9880167550. The cubic root of 11142164 is about 223.3520016077.

Adding to 11142164 its reverse (46124111), we get a palindrome (57266275).

The spelling of 11142164 in words is "eleven million, one hundred forty-two thousand, one hundred sixty-four".