170450842081 has 8 divisors (see below), whose sum is σ = 183565730880. Its totient is φ = 157336422672.

The previous prime is 170450842063. The next prime is 170450842141. The reversal of 170450842081 is 180248054071.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 170450842081 - 2⁹ = 170450841569 is a prime.

It is a super-2 number, since 2×170450842081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170450842781) 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, 1120650 + ... + 1263628.

It is an arithmetic number, because the mean of its divisors is an integer number (22945716360).

Almost surely, 2^170450842081 is an apocalyptic number.

It is an amenable number.

170450842081 is a deficient number, since it is larger than the sum of its proper divisors (13114888799).

170450842081 is a wasteful number, since it uses less digits than its factorization.

170450842081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234695.

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 170450842081 in words is "one hundred seventy billion, four hundred fifty million, eight hundred forty-two thousand, eighty-one".