11164869 has 12 divisors (see below), whose sum is σ = 17075916. Its totient is φ = 7005312.

The previous prime is 11164847. The next prime is 11164871. The reversal of 11164869 is 96846111.

It is a happy number.

11164869 is a `hidden beast` number, since 1 + 1 + 1 + 648 + 6 + 9 = 666.

11164869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6563844 + 4601025 = 2562^2 + 2145^2 .

It is not a de Polignac number, because 11164869 - 2⁹ = 11164357 is a prime.

It is a super-2 number, since 2×11164869² = 249308599574322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36334 + ... + 36639.

It is an arithmetic number, because the mean of its divisors is an integer number (1422993).

Almost surely, 2^11164869 is an apocalyptic number.

It is an amenable number.

11164869 is a deficient number, since it is larger than the sum of its proper divisors (5911047).

11164869 is a wasteful number, since it uses less digits than its factorization.

11164869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72996 (or 72993 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11164869 is about 3341.3872867418. The cubic root of 11164869 is about 223.5036108901.

It can be divided in two parts, 111 and 64869, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 11164869 in words is "eleven million, one hundred sixty-four thousand, eight hundred sixty-nine".