550650665661 has 8 divisors (see below), whose sum is σ = 734238847584. Its totient is φ = 367081463760.

The previous prime is 550650665633. The next prime is 550650665671. The reversal of 550650665661 is 166566056055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550650665661 - 2⁵ = 550650665629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550650665671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677171 + ... + 4793456.

It is an arithmetic number, because the mean of its divisors is an integer number (91779855948).

Almost surely, 2^550650665661 is an apocalyptic number.

It is an amenable number.

550650665661 is a deficient number, since it is larger than the sum of its proper divisors (183588181923).

550650665661 is a wasteful number, since it uses less digits than its factorization.

550650665661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9490011.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 550650665661 in words is "five hundred fifty billion, six hundred fifty million, six hundred sixty-five thousand, six hundred sixty-one".