166116141 has 12 divisors (see below), whose sum is σ = 240228768. Its totient is φ = 110613384.

The previous prime is 166116131. The next prime is 166116149. The reversal of 166116141 is 141611661.

It is a happy number.

166116141 is a `hidden beast` number, since 1 + 6 + 611 + 6 + 1 + 41 = 666.

It is not a de Polignac number, because 166116141 - 2¹⁸ = 165853997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166116149) 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 11 ways as a sum of consecutive naturals, for example, 2505 + ... + 18398.

It is an arithmetic number, because the mean of its divisors is an integer number (20019064).

Almost surely, 2^166116141 is an apocalyptic number.

It is an amenable number.

166116141 is a deficient number, since it is larger than the sum of its proper divisors (74112627).

166116141 is a wasteful number, since it uses less digits than its factorization.

166116141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21792 (or 21789 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 166116141 is about 12888.6050835612. The cubic root of 166116141 is about 549.7146078600.

The spelling of 166116141 in words is "one hundred sixty-six million, one hundred sixteen thousand, one hundred forty-one".