170488561 has 8 divisors (see below), whose sum is σ = 176256000. Its totient is φ = 164737920.

The previous prime is 170488553. The next prime is 170488567. The reversal of 170488561 is 165884071.

170488561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 170488561 - 2³ = 170488553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170488567) 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, 18465 + ... + 26113.

It is an arithmetic number, because the mean of its divisors is an integer number (22032000).

Almost surely, 2^170488561 is an apocalyptic number.

It is an amenable number.

170488561 is a deficient number, since it is larger than the sum of its proper divisors (5767439).

170488561 is an equidigital number, since it uses as much as digits as its factorization.

170488561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 170488561 is about 13057.1268279051. The cubic root of 170488561 is about 554.4959967383.

The spelling of 170488561 in words is "one hundred seventy million, four hundred eighty-eight thousand, five hundred sixty-one".