170742440118 has 16 divisors (see below), whose sum is σ = 343218308400. Its totient is φ = 56625242016.

The previous prime is 170742440093. The next prime is 170742440131. The reversal of 170742440118 is 811044247071.

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, 72224893 + ... + 72227256.

It is an arithmetic number, because the mean of its divisors is an integer number (21451144275).

Almost surely, 2^170742440118 is an apocalyptic number.

170742440118 is an abundant number, since it is smaller than the sum of its proper divisors (172475868282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170742440118 is a wasteful number, since it uses less digits than its factorization.

170742440118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144452351.

The product of its (nonzero) digits is 50176, while the sum is 39.

Adding to 170742440118 its reverse (811044247071), we get a palindrome (981786687189).

The spelling of 170742440118 in words is "one hundred seventy billion, seven hundred forty-two million, four hundred forty thousand, one hundred eighteen".