502643200164 has 96 divisors (see below), whose sum is σ = 1373775406080. Its totient is φ = 140045286528.

The previous prime is 502643200151. The next prime is 502643200177. The reversal of 502643200164 is 461002346205.

It is an interprime number because it is at equal distance from previous prime (502643200151) and next prime (502643200177).

It is a super-2 number, since 2×502643200164² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2123422 + ... + 2348234.

It is an arithmetic number, because the mean of its divisors is an integer number (14310160480).

Almost surely, 2^502643200164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502643200164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686887703040).

502643200164 is an abundant number, since it is smaller than the sum of its proper divisors (871132205916).

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

502643200164 is a wasteful number, since it uses less digits than its factorization.

502643200164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225489 (or 225487 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 502643200164 its reverse (461002346205), we get a palindrome (963645546369).

The spelling of 502643200164 in words is "five hundred two billion, six hundred forty-three million, two hundred thousand, one hundred sixty-four".