170476961 has 4 divisors (see below), whose sum is σ = 170906772. Its totient is φ = 170047152.

The previous prime is 170476951. The next prime is 170477089. The reversal of 170476961 is 169674071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169674071 = 7 ⋅24239153.

It can be written as a sum of positive squares in 2 ways, for example, as 74926336 + 95550625 = 8656^2 + 9775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170476961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170476921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214310 + ... + 215103.

It is an arithmetic number, because the mean of its divisors is an integer number (42726693).

Almost surely, 2^170476961 is an apocalyptic number.

It is an amenable number.

170476961 is a deficient number, since it is larger than the sum of its proper divisors (429811).

170476961 is an equidigital number, since it uses as much as digits as its factorization.

170476961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429810.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 170476961 is about 13056.6826184908. The cubic root of 170476961 is about 554.4834205290.

The spelling of 170476961 in words is "one hundred seventy million, four hundred seventy-six thousand, nine hundred sixty-one".