128448167522 has 8 divisors (see below), whose sum is σ = 192802176336. Its totient is φ = 64180775412.

The previous prime is 128448167513. The next prime is 128448167527. The reversal of 128448167522 is 225761844821.

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

It is not an unprimeable number, because it can be changed into a prime (128448167527) 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, 21650468 + ... + 21656399.

It is an arithmetic number, because the mean of its divisors is an integer number (24100272042).

Almost surely, 2^128448167522 is an apocalyptic number.

128448167522 is a deficient number, since it is larger than the sum of its proper divisors (64354008814).

128448167522 is a wasteful number, since it uses less digits than its factorization.

128448167522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43308352.

The product of its digits is 1720320, while the sum is 50.

The spelling of 128448167522 in words is "one hundred twenty-eight billion, four hundred forty-eight million, one hundred sixty-seven thousand, five hundred twenty-two".