169113000 has 128 divisors (see below), whose sum is σ = 603083520. Its totient is φ = 38649600.

The previous prime is 169112981. The next prime is 169113019. The reversal of 169113000 is 311961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (169112981) and next prime (169113019).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16974 + ... + 25026.

It is an arithmetic number, because the mean of its divisors is an integer number (4711590).

Almost surely, 2^169113000 is an apocalyptic number.

169113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301541760).

169113000 is an abundant number, since it is smaller than the sum of its proper divisors (433970520).

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

169113000 is a wasteful number, since it uses less digits than its factorization.

169113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 169113000 is about 13004.3454275869. The cubic root of 169113000 is about 553.0006790723. Note that the first 3 decimals are identical.

Adding to 169113000 its reverse (311961), we get a palindrome (169424961).

The spelling of 169113000 in words is "one hundred sixty-nine million, one hundred thirteen thousand".