169378768 has 40 divisors (see below), whose sum is σ = 372024800. Its totient is φ = 74058624.

The previous prime is 169378733. The next prime is 169378771. The reversal of 169378768 is 867873961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17478 + ... + 25381.

It is an arithmetic number, because the mean of its divisors is an integer number (9300620).

Almost surely, 2^169378768 is an apocalyptic number.

It is an amenable number.

169378768 is an abundant number, since it is smaller than the sum of its proper divisors (202646032).

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

169378768 is a wasteful number, since it uses less digits than its factorization.

169378768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42899 (or 42893 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 169378768 is about 13014.5598465718. The cubic root of 169378768 is about 553.2902151850.

The spelling of 169378768 in words is "one hundred sixty-nine million, three hundred seventy-eight thousand, seven hundred sixty-eight".