168195541546 has 16 divisors (see below), whose sum is σ = 258178466304. Its totient is φ = 82136323584.

The previous prime is 168195541531. The next prime is 168195541583. The reversal of 168195541546 is 645145591861.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1354986 + ... + 1473898.

It is an arithmetic number, because the mean of its divisors is an integer number (16136154144).

Almost surely, 2^168195541546 is an apocalyptic number.

168195541546 is a deficient number, since it is larger than the sum of its proper divisors (89982924758).

168195541546 is a wasteful number, since it uses less digits than its factorization.

168195541546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135405.

The product of its digits is 5184000, while the sum is 55.

The spelling of 168195541546 in words is "one hundred sixty-eight billion, one hundred ninety-five million, five hundred forty-one thousand, five hundred forty-six".