168122984539 has 16 divisors (see below), whose sum is σ = 173792033280. Its totient is φ = 162513928800.

The previous prime is 168122984537. The next prime is 168122984551. The reversal of 168122984539 is 935489221861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 168122984539 - 2¹ = 168122984537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168122984537) 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, 30459822 + ... + 30465340.

It is an arithmetic number, because the mean of its divisors is an integer number (10862002080).

Almost surely, 2^168122984539 is an apocalyptic number.

168122984539 is a deficient number, since it is larger than the sum of its proper divisors (5669048741).

168122984539 is a wasteful number, since it uses less digits than its factorization.

168122984539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770.

The product of its digits is 7464960, while the sum is 58.

The spelling of 168122984539 in words is "one hundred sixty-eight billion, one hundred twenty-two million, nine hundred eighty-four thousand, five hundred thirty-nine".