448161803 has 4 divisors (see below), whose sum is σ = 474524280. Its totient is φ = 421799328.

The previous prime is 448161773. The next prime is 448161811. The reversal of 448161803 is 308161844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448161803 - 2²⁴ = 431384587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448163803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13181213 + ... + 13181246.

It is an arithmetic number, because the mean of its divisors is an integer number (118631070).

Almost surely, 2^448161803 is an apocalyptic number.

448161803 is a deficient number, since it is larger than the sum of its proper divisors (26362477).

448161803 is a wasteful number, since it uses less digits than its factorization.

448161803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26362476.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 448161803 is about 21169.8323800639. The cubic root of 448161803 is about 765.2645804747.

The spelling of 448161803 in words is "four hundred forty-eight million, one hundred sixty-one thousand, eight hundred three".