448019388956161 has 8 divisors (see below), whose sum is σ = 489437773300800. Its totient is φ = 406715896109040.

The previous prime is 448019388956137. The next prime is 448019388956207. The reversal of 448019388956161 is 161659883910844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448019388956161 - 2²³ = 448019380567553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448019388953161) 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, 28722866221 + ... + 28722881818.

It is an arithmetic number, because the mean of its divisors is an integer number (61179721662600).

Almost surely, 2^{448019388956161} is an apocalyptic number.

It is an amenable number.

448019388956161 is a deficient number, since it is larger than the sum of its proper divisors (41418384344639).

448019388956161 is a wasteful number, since it uses less digits than its factorization.

448019388956161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57445748759.

The product of its (nonzero) digits is 358318080, while the sum is 73.

The spelling of 448019388956161 in words is "four hundred forty-eight trillion, nineteen billion, three hundred eighty-eight million, nine hundred fifty-six thousand, one hundred sixty-one".