2636161 has 8 divisors (see below), whose sum is σ = 2888064. Its totient is φ = 2386320.

The previous prime is 2636149. The next prime is 2636171. The reversal of 2636161 is 1616362.

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 2636161 - 2⁷ = 2636033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2636171) 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, 3711 + ... + 4363.

It is an arithmetic number, because the mean of its divisors is an integer number (361008).

2^2636161 is an apocalyptic number.

It is an amenable number.

2636161 is a deficient number, since it is larger than the sum of its proper divisors (251903).

2636161 is a wasteful number, since it uses less digits than its factorization.

2636161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its digits is 1296, while the sum is 25.

The square root of 2636161 is about 1623.6258805525. The cubic root of 2636161 is about 138.1414393870.

The spelling of 2636161 in words is "two million, six hundred thirty-six thousand, one hundred sixty-one".