2618678361 has 16 divisors (see below), whose sum is σ = 3823888320. Its totient is φ = 1584179520.

The previous prime is 2618678357. The next prime is 2618678389. The reversal of 2618678361 is 1638768162.

2618678361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2618678361 - 2² = 2618678357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2618678361.

It is not an unprimeable number, because it can be changed into a prime (2618678311) 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, 566730 + ... + 571331.

It is an arithmetic number, because the mean of its divisors is an integer number (238993020).

Almost surely, 2^2618678361 is an apocalyptic number.

It is an amenable number.

2618678361 is a deficient number, since it is larger than the sum of its proper divisors (1205209959).

2618678361 is a wasteful number, since it uses less digits than its factorization.

2618678361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138136.

The product of its digits is 580608, while the sum is 48.

The square root of 2618678361 is about 51173.0237625255. The cubic root of 2618678361 is about 1378.3538378988.

The spelling of 2618678361 in words is "two billion, six hundred eighteen million, six hundred seventy-eight thousand, three hundred sixty-one".