169113001 has 4 divisors (see below), whose sum is σ = 170856532. Its totient is φ = 167369472.

The previous prime is 169112981. The next prime is 169113019. The reversal of 169113001 is 100311961.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106069401 + 63043600 = 10299^2 + 7940^2 .

It is a cyclic number.

It is not a de Polignac number, because 169113001 - 2⁷ = 169112873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169113071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871620 + ... + 871813.

It is an arithmetic number, because the mean of its divisors is an integer number (42714133).

Almost surely, 2^169113001 is an apocalyptic number.

It is an amenable number.

169113001 is a deficient number, since it is larger than the sum of its proper divisors (1743531).

169113001 is an equidigital number, since it uses as much as digits as its factorization.

169113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743530.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 169113001 is about 13004.3454660356. The cubic root of 169113001 is about 553.0006801623. Note that the first 3 decimals are identical.

Adding to 169113001 its reverse (100311961), we get a palindrome (269424962).

The spelling of 169113001 in words is "one hundred sixty-nine million, one hundred thirteen thousand, one".