170961941 has 8 divisors (see below), whose sum is σ = 178897464. Its totient is φ = 163200960.

The previous prime is 170961929. The next prime is 170961949. The reversal of 170961941 is 149169071.

It can be written as a sum of positive squares in 4 ways, for example, as 114276100 + 56685841 = 10690^2 + 7529^2 .

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 170961941 - 2²⁶ = 103853077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170961895 and 170961904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170961949) 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 7 ways as a sum of consecutive naturals, for example, 41630 + ... + 45551.

It is an arithmetic number, because the mean of its divisors is an integer number (22362183).

Almost surely, 2^170961941 is an apocalyptic number.

It is an amenable number.

170961941 is a deficient number, since it is larger than the sum of its proper divisors (7935523).

170961941 is an equidigital number, since it uses as much as digits as its factorization.

170961941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87271.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 170961941 is about 13075.2415274059. The cubic root of 170961941 is about 555.0087285915.

The spelling of 170961941 in words is "one hundred seventy million, nine hundred sixty-one thousand, nine hundred forty-one".