502645807354164 has 12 divisors (see below), whose sum is σ = 1172840217159744. Its totient is φ = 167548602451384.

The previous prime is 502645807354139. The next prime is 502645807354199. The reversal of 502645807354164 is 461453708546205.

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

It is a super-2 number, since 2×502645807354164² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502645807354098 and 502645807354107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20943575306412 + ... + 20943575306435.

It is an arithmetic number, because the mean of its divisors is an integer number (97736684763312).

Almost surely, 2^{502645807354164} is an apocalyptic number.

It is an amenable number.

502645807354164 is an abundant number, since it is smaller than the sum of its proper divisors (670194409805580).

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

502645807354164 is a wasteful number, since it uses less digits than its factorization.

502645807354164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41887150612854 (or 41887150612852 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 60.

The spelling of 502645807354164 in words is "five hundred two trillion, six hundred forty-five billion, eight hundred seven million, three hundred fifty-four thousand, one hundred sixty-four".