505563163456 has 56 divisors (see below), whose sum is σ = 1095615206784. Its totient is φ = 230050383360.

The previous prime is 505563163363. The next prime is 505563163499. The reversal of 505563163456 is 654361365505.

It is a super-2 number, since 2×505563163456² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220140 + ... + 4338283.

It is an arithmetic number, because the mean of its divisors is an integer number (19564557264).

Almost surely, 2^505563163456 is an apocalyptic number.

It is an amenable number.

505563163456 is an abundant number, since it is smaller than the sum of its proper divisors (590052043328).

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

505563163456 is a wasteful number, since it uses less digits than its factorization.

505563163456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558519 (or 8558509 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 505563163456 in words is "five hundred five billion, five hundred sixty-three million, one hundred sixty-three thousand, four hundred fifty-six".