18165550545094 has 16 divisors (see below), whose sum is σ = 27593926632000. Its totient is φ = 8967580712064.

The previous prime is 18165550545083. The next prime is 18165550545127. The reversal of 18165550545094 is 49054505556181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046864 + ... + 7861420.

It is an arithmetic number, because the mean of its divisors is an integer number (1724620414500).

Almost surely, 2^{18165550545094} is an apocalyptic number.

18165550545094 is a deficient number, since it is larger than the sum of its proper divisors (9428376086906).

18165550545094 is a wasteful number, since it uses less digits than its factorization.

18165550545094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855487.

The product of its (nonzero) digits is 21600000, while the sum is 58.

The spelling of 18165550545094 in words is "eighteen trillion, one hundred sixty-five billion, five hundred fifty million, five hundred forty-five thousand, ninety-four".