168350538836 has 12 divisors (see below), whose sum is σ = 294619014228. Its totient is φ = 84173677632.

The previous prime is 168350538821. The next prime is 168350538847. The reversal of 168350538836 is 638835053861.

168350538836 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13149208900 + 155201329936 = 114670^2 + 393956^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141641 + ... + 597296.

It is an arithmetic number, because the mean of its divisors is an integer number (24551584519).

Almost surely, 2^168350538836 is an apocalyptic number.

It is an amenable number.

168350538836 is a deficient number, since it is larger than the sum of its proper divisors (126268475392).

168350538836 is a wasteful number, since it uses less digits than its factorization.

168350538836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795898 (or 795896 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 168350538836 in words is "one hundred sixty-eight billion, three hundred fifty million, five hundred thirty-eight thousand, eight hundred thirty-six".