5550051666 has 16 divisors (see below), whose sum is σ = 11100844800. Its totient is φ = 1849893648.

The previous prime is 5550051653. The next prime is 5550051671. The reversal of 5550051666 is 6661500555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134655 + ... + 170973.

It is an arithmetic number, because the mean of its divisors is an integer number (693802800).

Almost surely, 2^5550051666 is an apocalyptic number.

5550051666 is an abundant number, since it is smaller than the sum of its proper divisors (5550793134).

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

5550051666 is a wasteful number, since it uses less digits than its factorization.

5550051666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61793.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 5550051666 is about 74498.6688874372. The cubic root of 5550051666 is about 1770.5125465125.

The spelling of 5550051666 in words is "five billion, five hundred fifty million, fifty-one thousand, six hundred sixty-six".