166848861 has 16 divisors (see below), whose sum is σ = 242251200. Its totient is φ = 101743488.

The previous prime is 166848833. The next prime is 166848881. The reversal of 166848861 is 168848661.

It is not a de Polignac number, because 166848861 - 2⁶ = 166848797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166848861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166848811) 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, 48816 + ... + 52121.

It is an arithmetic number, because the mean of its divisors is an integer number (15140700).

Almost surely, 2^166848861 is an apocalyptic number.

It is an amenable number.

166848861 is a deficient number, since it is larger than the sum of its proper divisors (75402339).

166848861 is a wasteful number, since it uses less digits than its factorization.

166848861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100988.

The product of its digits is 442368, while the sum is 48.

The square root of 166848861 is about 12916.9989161570. The cubic root of 166848861 is about 550.5216659336.

The spelling of 166848861 in words is "one hundred sixty-six million, eight hundred forty-eight thousand, eight hundred sixty-one".