169120560 has 240 divisors, whose sum is σ = 621362016. Its totient is φ = 37933056.

The previous prime is 169120507. The next prime is 169120571. The reversal of 169120560 is 65021961.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 858382 + ... + 858578.

Almost surely, 2^169120560 is an apocalyptic number.

169120560 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 169120560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310681008).

169120560 is an abundant number, since it is smaller than the sum of its proper divisors (452241456).

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

169120560 is a wasteful number, since it uses less digits than its factorization.

169120560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 169120560 is about 13004.6360964081. The cubic root of 169120560 is about 553.0089193669.

The spelling of 169120560 in words is "one hundred sixty-nine million, one hundred twenty thousand, five hundred sixty".