166863105134 has 32 divisors (see below), whose sum is σ = 274679769600. Its totient is φ = 75394519200.

The previous prime is 166863105127. The next prime is 166863105139. The reversal of 166863105134 is 431501368661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166863105139) 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, 4767719 + ... + 4802589.

It is an arithmetic number, because the mean of its divisors is an integer number (8583742800).

Almost surely, 2^166863105134 is an apocalyptic number.

166863105134 is a deficient number, since it is larger than the sum of its proper divisors (107816664466).

166863105134 is a wasteful number, since it uses less digits than its factorization.

166863105134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36176.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 166863105134 in words is "one hundred sixty-six billion, eight hundred sixty-three million, one hundred five thousand, one hundred thirty-four".