168548386982 has 4 divisors (see below), whose sum is σ = 252822580476. Its totient is φ = 84274193490.

The previous prime is 168548386961. The next prime is 168548386987. The reversal of 168548386982 is 289683845861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289683845861 = 10903 ⋅26569187.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168548386987) by changing a digit.

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 as a sum of consecutive naturals, namely, 42137096744 + ... + 42137096747.

It is an arithmetic number, because the mean of its divisors is an integer number (63205645119).

Almost surely, 2^168548386982 is an apocalyptic number.

168548386982 is a deficient number, since it is larger than the sum of its proper divisors (84274193494).

168548386982 is an equidigital number, since it uses as much as digits as its factorization.

168548386982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84274193493.

The product of its digits is 159252480, while the sum is 68.

The spelling of 168548386982 in words is "one hundred sixty-eight billion, five hundred forty-eight million, three hundred eighty-six thousand, nine hundred eighty-two".