505055505066 has 64 divisors (see below), whose sum is σ = 1181544139776. Its totient is φ = 140911747200.

The previous prime is 505055505047. The next prime is 505055505079. The reversal of 505055505066 is 660505550505.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 7988961 + ... + 8051931.

It is an arithmetic number, because the mean of its divisors is an integer number (18461627184).

Almost surely, 2^505055505066 is an apocalyptic number.

505055505066 is an abundant number, since it is smaller than the sum of its proper divisors (676488634710).

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

505055505066 is a wasteful number, since it uses less digits than its factorization.

505055505066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67467.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 505055505066 in words is "five hundred five billion, fifty-five million, five hundred five thousand, sixty-six".