166903168143 has 8 divisors (see below), whose sum is σ = 222539728768. Its totient is φ = 111267693144.

The previous prime is 166903168141. The next prime is 166903168183. The reversal of 166903168143 is 341861309661.

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

It is not a de Polignac number, because 166903168143 - 2¹ = 166903168141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166903168092 and 166903168101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166903168141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208596 + ... + 614262.

It is an arithmetic number, because the mean of its divisors is an integer number (27817466096).

Almost surely, 2^166903168143 is an apocalyptic number.

166903168143 is a deficient number, since it is larger than the sum of its proper divisors (55636560625).

166903168143 is a wasteful number, since it uses less digits than its factorization.

166903168143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542813.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 166903168143 in words is "one hundred sixty-six billion, nine hundred three million, one hundred sixty-eight thousand, one hundred forty-three".