168965448 has 32 divisors (see below), whose sum is σ = 447262560. Its totient is φ = 53008640.

The previous prime is 168965443. The next prime is 168965471. The reversal of 168965448 is 844569861.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 168965448.

It is not an unprimeable number, because it can be changed into a prime (168965443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206658 + ... + 207473.

It is an arithmetic number, because the mean of its divisors is an integer number (13976955).

Almost surely, 2^168965448 is an apocalyptic number.

It is an amenable number.

168965448 is an abundant number, since it is smaller than the sum of its proper divisors (278297112).

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

168965448 is a wasteful number, since it uses less digits than its factorization.

168965448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414157 (or 414153 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 168965448 is about 12998.6710089916. The cubic root of 168965448 is about 552.8398002540.

The spelling of 168965448 in words is "one hundred sixty-eight million, nine hundred sixty-five thousand, four hundred forty-eight".