173080742538 has 16 divisors (see below), whose sum is σ = 377630711136. Its totient is φ = 52448709840.

The previous prime is 173080742507. The next prime is 173080742539. The reversal of 173080742538 is 835247080371.

It is not an unprimeable number, because it can be changed into a prime (173080742539) 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, 1311217681 + ... + 1311217812.

It is an arithmetic number, because the mean of its divisors is an integer number (23601919446).

Almost surely, 2^173080742538 is an apocalyptic number.

173080742538 is an abundant number, since it is smaller than the sum of its proper divisors (204549968598).

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

173080742538 is a wasteful number, since it uses less digits than its factorization.

173080742538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622435509.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 173080742538 in words is "one hundred seventy-three billion, eighty million, seven hundred forty-two thousand, five hundred thirty-eight".