550166511018 has 32 divisors (see below), whose sum is σ = 1110179146752. Its totient is φ = 181748134400.

The previous prime is 550166511007. The next prime is 550166511043. The reversal of 550166511018 is 810115661055.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8130103 + ... + 8197493.

It is an arithmetic number, because the mean of its divisors is an integer number (34693098336).

Almost surely, 2^550166511018 is an apocalyptic number.

550166511018 is an abundant number, since it is smaller than the sum of its proper divisors (560012635734).

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

550166511018 is a wasteful number, since it uses less digits than its factorization.

550166511018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79550.

The product of its (nonzero) digits is 36000, while the sum is 39.

The spelling of 550166511018 in words is "five hundred fifty billion, one hundred sixty-six million, five hundred eleven thousand, eighteen".