169000830 has 80 divisors (see below), whose sum is σ = 466788960. Its totient is φ = 43841088.

The previous prime is 169000813. The next prime is 169000831. The reversal of 169000830 is 38000961.

It is a super-2 number, since 2×169000830² = 57122561081377800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 169000794 and 169000803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169000831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27151 + ... + 32789.

It is an arithmetic number, because the mean of its divisors is an integer number (5834862).

Almost surely, 2^169000830 is an apocalyptic number.

169000830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 169000830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233394480).

169000830 is an abundant number, since it is smaller than the sum of its proper divisors (297788130).

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

169000830 is a wasteful number, since it uses less digits than its factorization.

169000830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 169000830 is about 13000.0319230377. The cubic root of 169000830 is about 552.8783864716.

The spelling of 169000830 in words is "one hundred sixty-nine million, eight hundred thirty", and thus it is an aban number.