2118006504 has 24 divisors (see below), whose sum is σ = 5736267810. Its totient is φ = 706002144.

The previous prime is 2118006491. The next prime is 2118006509. The reversal of 2118006504 is 4056008112.

2118006504 is a `hidden beast` number, since 2 + 1 + 1 + 8 + 0 + 0 + 650 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2116184004 + 1822500 = 46002^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2118006509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14708307 + ... + 14708450.

Almost surely, 2^2118006504 is an apocalyptic number.

2118006504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2118006504 is an abundant number, since it is smaller than the sum of its proper divisors (3618261306).

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

2118006504 is a wasteful number, since it uses less digits than its factorization.

2118006504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29416769 (or 29416762 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2118006504 is about 46021.8046582270. The cubic root of 2118006504 is about 1284.2288729344.

The spelling of 2118006504 in words is "two billion, one hundred eighteen million, six thousand, five hundred four".