2162616018 has 16 divisors (see below), whose sum is σ = 4330312896. Its totient is φ = 720025200.

The previous prime is 2162616013. The next prime is 2162616047. The reversal of 2162616018 is 8106162612.

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 2162616018.

It is not an unprimeable number, because it can be changed into a prime (2162616013) 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, 206158 + ... + 216393.

It is an arithmetic number, because the mean of its divisors is an integer number (270644556).

Almost surely, 2^2162616018 is an apocalyptic number.

2162616018 is an abundant number, since it is smaller than the sum of its proper divisors (2167696878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162616018 is a wasteful number, since it uses less digits than its factorization.

2162616018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423409.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2162616018 is about 46503.9355108791. The cubic root of 2162616018 is about 1293.1824590333.

The spelling of 2162616018 in words is "two billion, one hundred sixty-two million, six hundred sixteen thousand, eighteen".