550166280666 has 32 divisors (see below), whose sum is σ = 1113000622080. Its totient is φ = 181287844416.

The previous prime is 550166280659. The next prime is 550166280673. The reversal of 550166280666 is 666082661055.

It is an interprime number because it is at equal distance from previous prime (550166280659) and next prime (550166280673).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092181 + ... + 1514328.

It is an arithmetic number, because the mean of its divisors is an integer number (34781269440).

Almost surely, 2^550166280666 is an apocalyptic number.

550166280666 is an abundant number, since it is smaller than the sum of its proper divisors (562834341414).

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

550166280666 is a wasteful number, since it uses less digits than its factorization.

550166280666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606918.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 550166280666 in words is "five hundred fifty billion, one hundred sixty-six million, two hundred eighty thousand, six hundred sixty-six".