169960169 has 8 divisors (see below), whose sum is σ = 180072360. Its totient is φ = 159860736.

The previous prime is 169960159. The next prime is 169960181. The reversal of 169960169 is 961069961.

It can be written as a sum of positive squares in 4 ways, for example, as 10316944 + 159643225 = 3212^2 + 12635^2 .

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 169960169 - 2⁸ = 169959913 is a prime.

It is a super-2 number, since 2×169960169² = 57772918093017122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169960159) 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, 46397 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (22509045).

Almost surely, 2^169960169 is an apocalyptic number.

It is an amenable number.

169960169 is a deficient number, since it is larger than the sum of its proper divisors (10112191).

169960169 is a wasteful number, since it uses less digits than its factorization.

169960169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 169960169 is about 13036.8772718009. The cubic root of 169960169 is about 553.9225575650.

The spelling of 169960169 in words is "one hundred sixty-nine million, nine hundred sixty thousand, one hundred sixty-nine".