18060918539 has 8 divisors (see below), whose sum is σ = 18452497920. Its totient is φ = 17673235776.

The previous prime is 18060918527. The next prime is 18060918581. The reversal of 18060918539 is 93581906081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18060918539 - 2⁸ = 18060918283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18060918739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964784 + ... + 983325.

It is an arithmetic number, because the mean of its divisors is an integer number (2306562240).

Almost surely, 2^18060918539 is an apocalyptic number.

18060918539 is a deficient number, since it is larger than the sum of its proper divisors (391579381).

18060918539 is a wasteful number, since it uses less digits than its factorization.

18060918539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948309.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 18060918539 in words is "eighteen billion, sixty million, nine hundred eighteen thousand, five hundred thirty-nine".