18105065990006 has 16 divisors (see below), whose sum is σ = 28571870789280. Its totient is φ = 8593043843520.

The previous prime is 18105065990003. The next prime is 18105065990161. The reversal of 18105065990006 is 60009956050181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18105065990003) 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, 2983692746 + ... + 2983698813.

It is an arithmetic number, because the mean of its divisors is an integer number (1785741924330).

Almost surely, 2^{18105065990006} is an apocalyptic number.

18105065990006 is a deficient number, since it is larger than the sum of its proper divisors (10466804799274).

18105065990006 is a wasteful number, since it uses less digits than its factorization.

18105065990006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967391639.

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 18105065990006 in words is "eighteen trillion, one hundred five billion, sixty-five million, nine hundred ninety thousand, six".