166545170846 has 32 divisors (see below), whose sum is σ = 260869324800. Its totient is φ = 79655788800.

The previous prime is 166545170837. The next prime is 166545170849. The reversal of 166545170846 is 648071545661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166545170849) 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, 2094830 + ... + 2172878.

It is an arithmetic number, because the mean of its divisors is an integer number (8152166400).

Almost surely, 2^166545170846 is an apocalyptic number.

166545170846 is a deficient number, since it is larger than the sum of its proper divisors (94324153954).

166545170846 is a wasteful number, since it uses less digits than its factorization.

166545170846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78480.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 166545170846 in words is "one hundred sixty-six billion, five hundred forty-five million, one hundred seventy thousand, eight hundred forty-six".