166668510536 has 32 divisors (see below), whose sum is σ = 344040523200. Its totient is φ = 75063378240.

The previous prime is 166668510509. The next prime is 166668510571. The reversal of 166668510536 is 635015866661.

166668510536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8678300 + ... + 8697483.

It is an arithmetic number, because the mean of its divisors is an integer number (10751266350).

Almost surely, 2^166668510536 is an apocalyptic number.

It is an amenable number.

166668510536 is an abundant number, since it is smaller than the sum of its proper divisors (177372012664).

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

166668510536 is a wasteful number, since it uses less digits than its factorization.

166668510536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17375909 (or 17375905 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 166668510536 in words is "one hundred sixty-six billion, six hundred sixty-eight million, five hundred ten thousand, five hundred thirty-six".