173366042342 has 4 divisors (see below), whose sum is σ = 260049063516. Its totient is φ = 86683021170.

The previous prime is 173366042341. The next prime is 173366042371. The reversal of 173366042342 is 243240663371.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 173366042342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173366042341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43341510584 + ... + 43341510587.

It is an arithmetic number, because the mean of its divisors is an integer number (65012265879).

Almost surely, 2^173366042342 is an apocalyptic number.

173366042342 is a deficient number, since it is larger than the sum of its proper divisors (86683021174).

173366042342 is an equidigital number, since it uses as much as digits as its factorization.

173366042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86683021173.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 173366042342 in words is "one hundred seventy-three billion, three hundred sixty-six million, forty-two thousand, three hundred forty-two".