170279506676161 has 27 divisors (see below), whose sum is σ = 179889628684521. Its totient is φ = 161169355590144.

The previous prime is 170279506676143. The next prime is 170279506676171. The reversal of 170279506676161 is 161676605972071.

It is a happy number.

The square root of 170279506676161 is 13049119.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7845909113025 + 162433597563136 = 2801055^2 + 12744944^2 .

It is not a de Polignac number, because 170279506676161 - 2⁷ = 170279506676033 is a prime.

It is a super-2 number, since 2×170279506676161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170279506676093 and 170279506676102.

It is not an unprimeable number, because it can be changed into a prime (170279506676171) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29112581565 + ... + 29112587413.

Almost surely, 2^{170279506676161} is an apocalyptic number.

170279506676161 is the 13049119-th square number.

170279506676161 is the 6524560-th centered octagonal number.

It is an amenable number.

170279506676161 is a deficient number, since it is larger than the sum of its proper divisors (9610122008360).

170279506676161 is an frugal number, since it uses more digits than its factorization.

170279506676161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938 (or 5969 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 170279506676161 in words is "one hundred seventy trillion, two hundred seventy-nine billion, five hundred six million, six hundred seventy-six thousand, one hundred sixty-one".