500166155 has 4 divisors (see below), whose sum is σ = 600199392. Its totient is φ = 400132920.

The previous prime is 500166133. The next prime is 500166157. The reversal of 500166155 is 551661005.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 500166155 - 2¹⁰ = 500165131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500166157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50016611 + ... + 50016620.

It is an arithmetic number, because the mean of its divisors is an integer number (150049848).

Almost surely, 2^500166155 is an apocalyptic number.

500166155 is a deficient number, since it is larger than the sum of its proper divisors (100033237).

500166155 is a wasteful number, since it uses less digits than its factorization.

500166155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100033236.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 500166155 is about 22364.3948051361. The cubic root of 500166155 is about 793.7884344545.

The spelling of 500166155 in words is "five hundred million, one hundred sixty-six thousand, one hundred fifty-five".