166703579203542 has 32 divisors (see below), whose sum is σ = 357272589324672. Its totient is φ = 51669051713664.

The previous prime is 166703579203529. The next prime is 166703579203657. The reversal of 166703579203542 is 245302975307661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9845466328 + ... + 9845483259.

It is an arithmetic number, because the mean of its divisors is an integer number (11164768416396).

Almost surely, 2^{166703579203542} is an apocalyptic number.

166703579203542 is an abundant number, since it is smaller than the sum of its proper divisors (190569010121130).

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

166703579203542 is a wasteful number, since it uses less digits than its factorization.

166703579203542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19690949692.

The product of its (nonzero) digits is 57153600, while the sum is 60.

The spelling of 166703579203542 in words is "one hundred sixty-six trillion, seven hundred three billion, five hundred seventy-nine million, two hundred three thousand, five hundred forty-two".