169052004 has 81 divisors (see below), whose sum is σ = 472101721. Its totient is φ = 50967840.

The previous prime is 169051969. The next prime is 169052017. The reversal of 169052004 is 400250961.

The square root of 169052004 is 13002.

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

It can be written as a sum of positive squares in only one way, i.e., 165636900 + 3415104 = 12870^2 + 1848^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 858034 + ... + 858230.

Almost surely, 2^169052004 is an apocalyptic number.

169052004 is the 13002-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169052004

169052004 is an abundant number, since it is smaller than the sum of its proper divisors (303049717).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169052004 is a wasteful number, since it uses less digits than its factorization.

169052004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The cubic root of 169052004 is about 552.9341852967.

The spelling of 169052004 in words is "one hundred sixty-nine million, fifty-two thousand, four".