18073408005 has 24 divisors (see below), whose sum is σ = 31331395680. Its totient is φ = 9637872480.

The previous prime is 18073407977. The next prime is 18073408039. The reversal of 18073408005 is 50080437081.

18073408005 is a `hidden beast` number, since 180 + 73 + 408 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 18073408005 - 2¹⁴ = 18073391621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387006 + ... + 431184.

It is an arithmetic number, because the mean of its divisors is an integer number (1305474820).

Almost surely, 2^18073408005 is an apocalyptic number.

18073408005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18073408005 is a deficient number, since it is larger than the sum of its proper divisors (13257987675).

18073408005 is a wasteful number, since it uses less digits than its factorization.

18073408005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53281 (or 53278 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 18073408005 in words is "eighteen billion, seventy-three million, four hundred eight thousand, five".