166113926181106 has 32 divisors (see below), whose sum is σ = 266556549455280. Its totient is φ = 77362852847616.

The previous prime is 166113926181101. The next prime is 166113926181167. The reversal of 166113926181106 is 601181629311661.

It can be written as a sum of positive squares in 8 ways, for example, as 102500620299081 + 63613305882025 = 10124259^2 + 7975795^2 .

It is a super-2 number, since 2×166113926181106² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166113926181101) 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, 102532480 + ... + 104139988.

Almost surely, 2^{166113926181106} is an apocalyptic number.

166113926181106 is a deficient number, since it is larger than the sum of its proper divisors (100442623274174).

166113926181106 is a wasteful number, since it uses less digits than its factorization.

166113926181106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638958.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 166113926181106 in words is "one hundred sixty-six trillion, one hundred thirteen billion, nine hundred twenty-six million, one hundred eighty-one thousand, one hundred six".