502163255316655 has 4 divisors (see below), whose sum is σ = 602595906379992. Its totient is φ = 401730604253320.

The previous prime is 502163255316601. The next prime is 502163255316691. The reversal of 502163255316655 is 556613552361205.

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

It is not a de Polignac number, because 502163255316655 - 2⁹ = 502163255316143 is a prime.

It is a super-2 number, since 2×502163255316655² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502163255316596 and 502163255316605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50216325531661 + ... + 50216325531670.

It is an arithmetic number, because the mean of its divisors is an integer number (150648976594998).

Almost surely, 2^{502163255316655} is an apocalyptic number.

502163255316655 is a deficient number, since it is larger than the sum of its proper divisors (100432651063337).

502163255316655 is a wasteful number, since it uses less digits than its factorization.

502163255316655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100432651063336.

The product of its (nonzero) digits is 24300000, while the sum is 55.

The spelling of 502163255316655 in words is "five hundred two trillion, one hundred sixty-three billion, two hundred fifty-five million, three hundred sixteen thousand, six hundred fifty-five".