166898705946 has 32 divisors (see below), whose sum is σ = 403922920320. Its totient is φ = 44880324096.

The previous prime is 166898705867. The next prime is 166898706067. The reversal of 166898705946 is 649507898661.

166898705946 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 15 ways as a sum of consecutive naturals, for example, 116875131 + ... + 116876558.

It is an arithmetic number, because the mean of its divisors is an integer number (12622591260).

Almost surely, 2^166898705946 is an apocalyptic number.

166898705946 is an abundant number, since it is smaller than the sum of its proper divisors (237024214374).

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

166898705946 is a wasteful number, since it uses less digits than its factorization.

166898705946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233751718.

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 166898705946 in words is "one hundred sixty-six billion, eight hundred ninety-eight million, seven hundred five thousand, nine hundred forty-six".