168394170573418 has 16 divisors (see below), whose sum is σ = 256371409020960. Its totient is φ = 82937133590256.

The previous prime is 168394170573413. The next prime is 168394170573427. The reversal of 168394170573418 is 814375071493861.

168394170573418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is not an unprimeable number, because it can be changed into a prime (168394170573413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21435196 + ... + 28218007.

It is an arithmetic number, because the mean of its divisors is an integer number (16023213063810).

Almost surely, 2^{168394170573418} is an apocalyptic number.

168394170573418 is a deficient number, since it is larger than the sum of its proper divisors (87977238447542).

168394170573418 is a wasteful number, since it uses less digits than its factorization.

168394170573418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49678581.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 168394170573418 in words is "one hundred sixty-eight trillion, three hundred ninety-four billion, one hundred seventy million, five hundred seventy-three thousand, four hundred eighteen".