550660500066 has 16 divisors (see below), whose sum is σ = 1131086433024. Its totient is φ = 178592594544.

The previous prime is 550660500031. The next prime is 550660500073. The reversal of 550660500066 is 660005066055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550660499997 and 550660500033.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240226130 + ... + 1240226573.

It is an arithmetic number, because the mean of its divisors is an integer number (70692902064).

Almost surely, 2^550660500066 is an apocalyptic number.

550660500066 is an abundant number, since it is smaller than the sum of its proper divisors (580425932958).

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

550660500066 is a wasteful number, since it uses less digits than its factorization.

550660500066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480452745.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 550660500066 in words is "five hundred fifty billion, six hundred sixty million, five hundred thousand, sixty-six".