2618448161 has 16 divisors (see below), whose sum is σ = 3067090944. Its totient is φ = 2188791504.

The previous prime is 2618448113. The next prime is 2618448187. The reversal of 2618448161 is 1618448162.

It is a happy number.

It is not a de Polignac number, because 2618448161 - 2⁶ = 2618448097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2618448101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79046 + ... + 107168.

It is an arithmetic number, because the mean of its divisors is an integer number (191693184).

Almost surely, 2^2618448161 is an apocalyptic number.

It is an amenable number.

2618448161 is a deficient number, since it is larger than the sum of its proper divisors (448642783).

2618448161 is a wasteful number, since it uses less digits than its factorization.

2618448161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460.

The product of its digits is 73728, while the sum is 41.

The square root of 2618448161 is about 51170.7744811430. The cubic root of 2618448161 is about 1378.3134477595.

Subtracting from 2618448161 its reverse (1618448162), we obtain a palindrome (999999999).

The spelling of 2618448161 in words is "two billion, six hundred eighteen million, four hundred forty-eight thousand, one hundred sixty-one".