5666166655050 has 96 divisors (see below), whose sum is σ = 15330225659904. Its totient is φ = 1373556184000.

The previous prime is 5666166655031. The next prime is 5666166655073. The reversal of 5666166655050 is 505566616665.

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 47 ways as a sum of consecutive naturals, for example, 46487287 + ... + 46609013.

It is an arithmetic number, because the mean of its divisors is an integer number (159689850624).

Almost surely, 2^{5666166655050} is an apocalyptic number.

5666166655050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5666166655050 is an abundant number, since it is smaller than the sum of its proper divisors (9664059004854).

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

5666166655050 is a wasteful number, since it uses less digits than its factorization.

5666166655050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149964 (or 149959 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 5666166655050 in words is "five trillion, six hundred sixty-six billion, one hundred sixty-six million, six hundred fifty-five thousand, fifty".