166650342 has 32 divisors (see below), whose sum is σ = 339033600. Its totient is φ = 54601248.

The previous prime is 166650329. The next prime is 166650343. The reversal of 166650342 is 243056661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166650343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126853 + ... + 128159.

It is an arithmetic number, because the mean of its divisors is an integer number (10594800).

Almost surely, 2^166650342 is an apocalyptic number.

166650342 is an abundant number, since it is smaller than the sum of its proper divisors (172383258).

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

166650342 is a wasteful number, since it uses less digits than its factorization.

166650342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 166650342 is about 12909.3122202540. The cubic root of 166650342 is about 550.3032399419.

The spelling of 166650342 in words is "one hundred sixty-six million, six hundred fifty thousand, three hundred forty-two".