2661169 has 8 divisors (see below), whose sum is σ = 3173760. Its totient is φ = 2181696.

The previous prime is 2661161. The next prime is 2661181. The reversal of 2661169 is 9611662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2661169 - 2³ = 2661161 is a prime.

It is a super-2 number, since 2×2661169² = 14163640893122, which contains 22 as substring.

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 2661169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8104 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (396720).

2^2661169 is an apocalyptic number.

It is an amenable number.

2661169 is a deficient number, since it is larger than the sum of its proper divisors (512591).

2661169 is a wasteful number, since it uses less digits than its factorization.

2661169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16559.

The product of its digits is 3888, while the sum is 31.

The square root of 2661169 is about 1631.3089836079. The cubic root of 2661169 is about 138.5768925772.

The spelling of 2661169 in words is "two million, six hundred sixty-one thousand, one hundred sixty-nine".