550661726630 has 16 divisors (see below), whose sum is σ = 995303938464. Its totient is φ = 219350728320.

The previous prime is 550661726617. The next prime is 550661726677. The reversal of 550661726630 is 36627166055.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 114242762 + ... + 114247581.

It is an arithmetic number, because the mean of its divisors is an integer number (62206496154).

Almost surely, 2^550661726630 is an apocalyptic number.

550661726630 is a deficient number, since it is larger than the sum of its proper divisors (444642211834).

550661726630 is a wasteful number, since it uses less digits than its factorization.

550661726630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228490591.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 550661726630 in words is "five hundred fifty billion, six hundred sixty-one million, seven hundred twenty-six thousand, six hundred thirty".