169686113 has 4 divisors (see below), whose sum is σ = 171730608. Its totient is φ = 167641620.

The previous prime is 169686103. The next prime is 169686133. The reversal of 169686113 is 311686961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 169686113 - 2¹⁴ = 169669729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169686103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022123 + ... + 1022288.

It is an arithmetic number, because the mean of its divisors is an integer number (42932652).

Almost surely, 2^169686113 is an apocalyptic number.

It is an amenable number.

169686113 is a deficient number, since it is larger than the sum of its proper divisors (2044495).

169686113 is an equidigital number, since it uses as much as digits as its factorization.

169686113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044494.

The product of its digits is 46656, while the sum is 41.

The square root of 169686113 is about 13026.3622320278. The cubic root of 169686113 is about 553.6246692055.

The spelling of 169686113 in words is "one hundred sixty-nine million, six hundred eighty-six thousand, one hundred thirteen".