170966087 has 4 divisors (see below), whose sum is σ = 171115776. Its totient is φ = 170816400.

The previous prime is 170966077. The next prime is 170966113. The reversal of 170966087 is 780669071.

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

It is a cyclic number.

It is not a de Polignac number, because 170966087 - 2⁴ = 170966071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170966057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73118 + ... + 75419.

It is an arithmetic number, because the mean of its divisors is an integer number (42778944).

Almost surely, 2^170966087 is an apocalyptic number.

170966087 is a deficient number, since it is larger than the sum of its proper divisors (149689).

170966087 is a wasteful number, since it uses less digits than its factorization.

170966087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149688.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 170966087 is about 13075.4000703611. The cubic root of 170966087 is about 555.0132150629.

The spelling of 170966087 in words is "one hundred seventy million, nine hundred sixty-six thousand, eighty-seven".