11142664 has 32 divisors (see below), whose sum is σ = 23688000. Its totient is φ = 4871232.

The previous prime is 11142653. The next prime is 11142673. The reversal of 11142664 is 46624111.

It is a super-2 number, since 2×11142664² = 248317922033792, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 844 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (740250).

Almost surely, 2^11142664 is an apocalyptic number.

It is an amenable number.

11142664 is an abundant number, since it is smaller than the sum of its proper divisors (12545336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142664 is a wasteful number, since it uses less digits than its factorization.

11142664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677 (or 5673 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 11142664 is about 3338.0629113305. The cubic root of 11142664 is about 223.3553425006.

Adding to 11142664 its reverse (46624111), we get a palindrome (57766775).

The spelling of 11142664 in words is "eleven million, one hundred forty-two thousand, six hundred sixty-four".