506080320816 has 80 divisors (see below), whose sum is σ = 1494420136704. Its totient is φ = 144567451392.

The previous prime is 506080320791. The next prime is 506080320877. The reversal of 506080320816 is 618023080605.

It is a happy number.

It is a super-2 number, since 2×506080320816² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702771 + ... + 1977773.

Almost surely, 2^506080320816 is an apocalyptic number.

506080320816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

506080320816 is an abundant number, since it is smaller than the sum of its proper divisors (988339815888).

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

506080320816 is a wasteful number, since it uses less digits than its factorization.

506080320816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280498 (or 280492 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 506080320816 in words is "five hundred six billion, eighty million, three hundred twenty thousand, eight hundred sixteen".