170028119191 has 4 divisors (see below), whose sum is σ = 194317850512. Its totient is φ = 145738387872.

The previous prime is 170028119189. The next prime is 170028119203. The reversal of 170028119191 is 191911820071.

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

It is not a de Polignac number, because 170028119191 - 2¹ = 170028119189 is a prime.

It is a super-2 number, since 2×170028119191² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170028119101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12144865650 + ... + 12144865663.

It is an arithmetic number, because the mean of its divisors is an integer number (48579462628).

Almost surely, 2^170028119191 is an apocalyptic number.

170028119191 is a deficient number, since it is larger than the sum of its proper divisors (24289731321).

170028119191 is an equidigital number, since it uses as much as digits as its factorization.

170028119191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24289731320.

The product of its (nonzero) digits is 9072, while the sum is 40.

The spelling of 170028119191 in words is "one hundred seventy billion, twenty-eight million, one hundred nineteen thousand, one hundred ninety-one".