166751084159 has 8 divisors (see below), whose sum is σ = 182671407360. Its totient is φ = 150957616600.

The previous prime is 166751084147. The next prime is 166751084167. The reversal of 166751084159 is 951480157661.

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

It is a cyclic number.

It is not a de Polignac number, because 166751084159 - 2²⁴ = 166734306943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166751084159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166751084179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31711157 + ... + 31716414.

It is an arithmetic number, because the mean of its divisors is an integer number (22833925920).

Almost surely, 2^166751084159 is an apocalyptic number.

166751084159 is a deficient number, since it is larger than the sum of its proper divisors (15920323201).

166751084159 is a wasteful number, since it uses less digits than its factorization.

166751084159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63427821.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 166751084159 in words is "one hundred sixty-six billion, seven hundred fifty-one million, eighty-four thousand, one hundred fifty-nine".