2168118324 has 36 divisors (see below), whose sum is σ = 5802906564. Its totient is φ = 680193792.

The previous prime is 2168118313. The next prime is 2168118353. The reversal of 2168118324 is 4238118612.

2168118324 is a `hidden beast` number, since 216 + 8 + 118 + 324 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 862596900 + 1305521424 = 29370^2 + 36132^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770727 + ... + 1771950.

It is an arithmetic number, because the mean of its divisors is an integer number (161191849).

Almost surely, 2^2168118324 is an apocalyptic number.

It is an amenable number.

2168118324 is an abundant number, since it is smaller than the sum of its proper divisors (3634788240).

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

2168118324 is a wasteful number, since it uses less digits than its factorization.

2168118324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542704 (or 3542699 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2168118324 is about 46563.0575027027. The cubic root of 2168118324 is about 1294.2782706888.

The spelling of 2168118324 in words is "two billion, one hundred sixty-eight million, one hundred eighteen thousand, three hundred twenty-four".