169026001 has 3 divisors (see below), whose sum is σ = 169039003. Its totient is φ = 169013000.

The previous prime is 169025999. The next prime is 169026031. The reversal of 169026001 is 100620961.

The square root of 169026001 is 13001.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 166926400 = 1449^2 + 12920^2 .

It is not a de Polignac number, because 169026001 - 2¹ = 169025999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169026031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6501 + ... + 19501.

Almost surely, 2^169026001 is an apocalyptic number.

169026001 is the 13001-st square number.

169026001 is the 6501-st centered octagonal number.

It is an amenable number.

169026001 is a deficient number, since it is larger than the sum of its proper divisors (13002).

169026001 is an frugal number, since it uses more digits than its factorization.

169026001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26002 (or 13001 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The cubic root of 169026001 is about 552.9058336958.

Multiplying 169026001 by its sum of digits (25), we get a square (4225650025 = 65005²).

Adding to 169026001 its reverse (100620961), we get a palindrome (269646962).

The spelling of 169026001 in words is "one hundred sixty-nine million, twenty-six thousand, one".