169897104 has 120 divisors (see below), whose sum is σ = 523216512. Its totient is φ = 51137280.

The previous prime is 169897103. The next prime is 169897111. The reversal of 169897104 is 401798961.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 169897104.

It is not an unprimeable number, because it can be changed into a prime (169897103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87019 + ... + 88949.

Almost surely, 2^169897104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169897104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261608256).

169897104 is an abundant number, since it is smaller than the sum of its proper divisors (353319408).

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

169897104 is a wasteful number, since it uses less digits than its factorization.

169897104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 169897104 is about 13034.4583316684. The cubic root of 169897104 is about 553.8540367112.

The spelling of 169897104 in words is "one hundred sixty-nine million, eight hundred ninety-seven thousand, one hundred four".