169913020 has 48 divisors (see below), whose sum is σ = 367180128. Its totient is φ = 66007040.

The previous prime is 169912997. The next prime is 169913033. The reversal of 169913020 is 20319961.

It is a congruent number.

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, 289167 + ... + 289753.

It is an arithmetic number, because the mean of its divisors is an integer number (7649586).

Almost surely, 2^169913020 is an apocalyptic number.

169913020 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 169913020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183590064).

169913020 is an abundant number, since it is smaller than the sum of its proper divisors (197267108).

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

169913020 is a wasteful number, since it uses less digits than its factorization.

169913020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 169913020 is about 13035.0688529060. The cubic root of 169913020 is about 553.8713312292.

The spelling of 169913020 in words is "one hundred sixty-nine million, nine hundred thirteen thousand, twenty".