506611164 has 12 divisors (see below), whose sum is σ = 1182092744. Its totient is φ = 168870384.

The previous prime is 506611163. The next prime is 506611213. The reversal of 506611164 is 461116605.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506611163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21108787 + ... + 21108810.

Almost surely, 2^506611164 is an apocalyptic number.

It is an amenable number.

506611164 is an abundant number, since it is smaller than the sum of its proper divisors (675481580).

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

506611164 is a wasteful number, since it uses less digits than its factorization.

506611164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42217604 (or 42217602 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 506611164 is about 22508.0244357429. The cubic root of 506611164 is about 797.1834097453.

Adding to 506611164 its reverse (461116605), we get a palindrome (967727769).

The spelling of 506611164 in words is "five hundred six million, six hundred eleven thousand, one hundred sixty-four".