166875353842 has 8 divisors (see below), whose sum is σ = 250325237232. Its totient is φ = 83433608100.

The previous prime is 166875353839. The next prime is 166875353849. The reversal of 166875353842 is 248353578661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (166875353849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982884 + ... + 2065327.

It is an arithmetic number, because the mean of its divisors is an integer number (31290654654).

Almost surely, 2^166875353842 is an apocalyptic number.

166875353842 is a deficient number, since it is larger than the sum of its proper divisors (83449883390).

166875353842 is a wasteful number, since it uses less digits than its factorization.

166875353842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068824.

The product of its digits is 29030400, while the sum is 58.

The spelling of 166875353842 in words is "one hundred sixty-six billion, eight hundred seventy-five million, three hundred fifty-three thousand, eight hundred forty-two".