170170561 has 8 divisors (see below), whose sum is σ = 196560864. Its totient is φ = 145600320.

The previous prime is 170170547. The next prime is 170170601. The reversal of 170170561 is 165071071.

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 170170561 - 2⁵ = 170170529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170170531) 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, 454815 + ... + 455188.

It is an arithmetic number, because the mean of its divisors is an integer number (24570108).

Almost surely, 2^170170561 is an apocalyptic number.

170170561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

170170561 is a deficient number, since it is larger than the sum of its proper divisors (26390303).

170170561 is a wasteful number, since it uses less digits than its factorization.

170170561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910031.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 170170561 is about 13044.9438864259. The cubic root of 170170561 is about 554.1510283889.

The spelling of 170170561 in words is "one hundred seventy million, one hundred seventy thousand, five hundred sixty-one".