506166128 has 20 divisors (see below), whose sum is σ = 1056135528. Its totient is φ = 233615040.

The previous prime is 506166127. The next prime is 506166131. The reversal of 506166128 is 821661605.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506166127) 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 3 ways as a sum of consecutive naturals, for example, 1216538 + ... + 1216953.

Almost surely, 2^506166128 is an apocalyptic number.

It is an amenable number.

506166128 is an abundant number, since it is smaller than the sum of its proper divisors (549969400).

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

506166128 is a wasteful number, since it uses less digits than its factorization.

506166128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433512 (or 2433506 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 506166128 is about 22498.1361005751. The cubic root of 506166128 is about 796.9499109749.

The spelling of 506166128 in words is "five hundred six million, one hundred sixty-six thousand, one hundred twenty-eight".