169080912 has 640 divisors, whose sum is σ = 719953920. Its totient is φ = 36495360.

The previous prime is 169080911. The next prime is 169081013. The reversal of 169080912 is 219080961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169080911) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7351333 + ... + 7351355.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^169080912 is an apocalyptic number.

169080912 is a gapful number since it is divisible by the number (12) 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 169080912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359976960).

169080912 is an abundant number, since it is smaller than the sum of its proper divisors (550873008).

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

169080912 is a wasteful number, since it uses less digits than its factorization.

169080912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 169080912 is about 13003.1116276067. Note that the first 3 decimals coincide. The cubic root of 169080912 is about 552.9657008659.

The spelling of 169080912 in words is "one hundred sixty-nine million, eighty thousand, nine hundred twelve".