169680671 has 2 divisors, whose sum is σ = 169680672. Its totient is φ = 169680670.

The previous prime is 169680661. The next prime is 169680677. The reversal of 169680671 is 176086961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 169680671 - 2⁶ = 169680607 is a prime.

It is a super-2 number, since 2×169680671² = 57583060222020482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169680677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84840335 + 84840336.

It is an arithmetic number, because the mean of its divisors is an integer number (84840336).

Almost surely, 2^169680671 is an apocalyptic number.

169680671 is a deficient number, since it is larger than the sum of its proper divisors (1).

169680671 is an equidigital number, since it uses as much as digits as its factorization.

169680671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 169680671 is about 13026.1533462492. The cubic root of 169680671 is about 553.6187507136.

The spelling of 169680671 in words is "one hundred sixty-nine million, six hundred eighty thousand, six hundred seventy-one".