11161669 has 4 divisors (see below), whose sum is σ = 11193120. Its totient is φ = 11130220.

The previous prime is 11161663. The next prime is 11161681. The reversal of 11161669 is 96616111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11161669 - 2¹⁷ = 11030597 is a prime.

It is a super-2 number, since 2×11161669² = 249165709731122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11161669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15187 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (2798280).

Almost surely, 2^11161669 is an apocalyptic number.

It is an amenable number.

11161669 is a deficient number, since it is larger than the sum of its proper divisors (31451).

11161669 is an equidigital number, since it uses as much as digits as its factorization.

11161669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31450.

The product of its digits is 1944, while the sum is 31.

The square root of 11161669 is about 3340.9084094001. The cubic root of 11161669 is about 223.4822558136.

The spelling of 11161669 in words is "eleven million, one hundred sixty-one thousand, six hundred sixty-nine".