166743848208241 has 16 divisors (see below), whose sum is σ = 167673004525440. Its totient is φ = 165815377136640.

The previous prime is 166743848208199. The next prime is 166743848208247. The reversal of 166743848208241 is 142802848347661.

It is a cyclic number.

It is not a de Polignac number, because 166743848208241 - 2¹⁹ = 166743847683953 is a prime.

It is a super-2 number, since 2×166743848208241² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166743848208247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9076461786 + ... + 9076480156.

It is an arithmetic number, because the mean of its divisors is an integer number (10479562782840).

Almost surely, 2^{166743848208241} is an apocalyptic number.

It is an amenable number.

166743848208241 is a deficient number, since it is larger than the sum of its proper divisors (929156317199).

166743848208241 is a wasteful number, since it uses less digits than its factorization.

166743848208241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34296.

The product of its (nonzero) digits is 99090432, while the sum is 64.

The spelling of 166743848208241 in words is "one hundred sixty-six trillion, seven hundred forty-three billion, eight hundred forty-eight million, two hundred eight thousand, two hundred forty-one".