166154875143 has 8 divisors (see below), whose sum is σ = 221554080000. Its totient is φ = 110762793528.

The previous prime is 166154875097. The next prime is 166154875147. The reversal of 166154875143 is 341578451661.

166154875143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-166154875143 is a prime.

It is a super-3 number, since 3×166154875143³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166154875147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1726143 + ... + 1819856.

It is an arithmetic number, because the mean of its divisors is an integer number (27694260000).

Almost surely, 2^166154875143 is an apocalyptic number.

166154875143 is a deficient number, since it is larger than the sum of its proper divisors (55399204857).

166154875143 is a wasteful number, since it uses less digits than its factorization.

166154875143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561621.

The product of its digits is 2419200, while the sum is 51.

The spelling of 166154875143 in words is "one hundred sixty-six billion, one hundred fifty-four million, eight hundred seventy-five thousand, one hundred forty-three".