17317165142 has 4 divisors (see below), whose sum is σ = 25975747716. Its totient is φ = 8658582570.

The previous prime is 17317165123. The next prime is 17317165147. The reversal of 17317165142 is 24156171371.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24156171371 = 47 ⋅513961093.

It is a junction number, because it is equal to n+sod(n) for n = 17317165096 and 17317165105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17317165147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4329291284 + ... + 4329291287.

It is an arithmetic number, because the mean of its divisors is an integer number (6493936929).

Almost surely, 2^17317165142 is an apocalyptic number.

17317165142 is a deficient number, since it is larger than the sum of its proper divisors (8658582574).

17317165142 is an equidigital number, since it uses as much as digits as its factorization.

17317165142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658582573.

The product of its digits is 35280, while the sum is 38.

The spelling of 17317165142 in words is "seventeen billion, three hundred seventeen million, one hundred sixty-five thousand, one hundred forty-two".