2618161 has 8 divisors (see below), whose sum is σ = 3222464. Its totient is φ = 2071440.

The previous prime is 2618117. The next prime is 2618173. The reversal of 2618161 is 1618162.

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

It is not a de Polignac number, because 2618161 - 2²¹ = 521009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2618101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14295 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (402808).

2^2618161 is an apocalyptic number.

It is an amenable number.

2618161 is a deficient number, since it is larger than the sum of its proper divisors (604303).

2618161 is a wasteful number, since it uses less digits than its factorization.

2618161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28791.

The product of its digits is 576, while the sum is 25.

The square root of 2618161 is about 1618.0732369086. The cubic root of 2618161 is about 137.8263060111.

Subtracting from 2618161 its reverse (1618162), we obtain a palindrome (999999).

The spelling of 2618161 in words is "two million, six hundred eighteen thousand, one hundred sixty-one".