166648148111 has 16 divisors (see below), whose sum is σ = 178649575104. Its totient is φ = 155045746944.

The previous prime is 166648148071. The next prime is 166648148119. The reversal of 166648148111 is 111841846661.

It is a cyclic number.

It is not a de Polignac number, because 166648148111 - 2⁶ = 166648148047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166648148119) 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 15 ways as a sum of consecutive naturals, for example, 2841395 + ... + 2899451.

It is an arithmetic number, because the mean of its divisors is an integer number (11165598444).

Almost surely, 2^166648148111 is an apocalyptic number.

166648148111 is a deficient number, since it is larger than the sum of its proper divisors (12001426993).

166648148111 is a wasteful number, since it uses less digits than its factorization.

166648148111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61490.

The product of its digits is 221184, while the sum is 47.

The spelling of 166648148111 in words is "one hundred sixty-six billion, six hundred forty-eight million, one hundred forty-eight thousand, one hundred eleven".