505353165534 has 48 divisors (see below), whose sum is σ = 1252521610080. Its totient is φ = 144251513280.

The previous prime is 505353165529. The next prime is 505353165571. The reversal of 505353165534 is 435561353505.

505353165534 is a `hidden beast` number, since 5 + 0 + 5 + 3 + 53 + 1 + 65 + 534 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 505353165534.

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 23 ways as a sum of consecutive naturals, for example, 1741237 + ... + 2010624.

It is an arithmetic number, because the mean of its divisors is an integer number (26094200210).

Almost surely, 2^505353165534 is an apocalyptic number.

505353165534 is an abundant number, since it is smaller than the sum of its proper divisors (747168444546).

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

505353165534 is a wasteful number, since it uses less digits than its factorization.

505353165534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752945 (or 3752942 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 505353165534 in words is "five hundred five billion, three hundred fifty-three million, one hundred sixty-five thousand, five hundred thirty-four".