168101516404 has 24 divisors (see below), whose sum is σ = 299060499528. Its totient is φ = 82656215040.

The previous prime is 168101516321. The next prime is 168101516431. The reversal of 168101516404 is 404615101861.

168101516404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2006144100 + 166095372304 = 44790^2 + 407548^2 .

It is a congruent number.

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, 1190484 + ... + 1324180.

It is an arithmetic number, because the mean of its divisors is an integer number (12460854147).

Almost surely, 2^168101516404 is an apocalyptic number.

It is an amenable number.

168101516404 is a deficient number, since it is larger than the sum of its proper divisors (130958983124).

168101516404 is a wasteful number, since it uses less digits than its factorization.

168101516404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138915 (or 138913 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 168101516404 in words is "one hundred sixty-eight billion, one hundred one million, five hundred sixteen thousand, four hundred four".