169013000 has 64 divisors (see below), whose sum is σ = 425945520. Its totient is φ = 62400000.

The previous prime is 169012981. The next prime is 169013041. The reversal of 169013000 is 310961.

It can be written as a sum of positive squares in 8 ways, for example, as 20124196 + 148888804 = 4486^2 + 12202^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6500 + ... + 19500.

Almost surely, 2^169013000 is an apocalyptic number.

169013000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 13000×13001.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212972760).

169013000 is an abundant number, since it is smaller than the sum of its proper divisors (256932520).

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

169013000 is a wasteful number, since it uses less digits than its factorization.

169013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035 (or 13021 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 169013000 is about 13000.4999903850. The cubic root of 169013000 is about 552.8916573501.

Adding to 169013000 its reverse (310961), we get a palindrome (169323961).

The spelling of 169013000 in words is "one hundred sixty-nine million, thirteen thousand".