168300177242 has 16 divisors (see below), whose sum is σ = 269405015040. Its totient is φ = 78576458688.

The previous prime is 168300177179. The next prime is 168300177247. The reversal of 168300177242 is 242771003861.

It is a super-2 number, since 2×168300177242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168300177242.

It is not an unprimeable number, because it can be changed into a prime (168300177247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19483892 + ... + 19492527.

It is an arithmetic number, because the mean of its divisors is an integer number (16837813440).

Almost surely, 2^168300177242 is an apocalyptic number.

168300177242 is a deficient number, since it is larger than the sum of its proper divisors (101104837798).

168300177242 is a wasteful number, since it uses less digits than its factorization.

168300177242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38976565.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 168300177242 in words is "one hundred sixty-eight billion, three hundred million, one hundred seventy-seven thousand, two hundred forty-two".