128598452466 has 16 divisors (see below), whose sum is σ = 280578441888. Its totient is φ = 38969228000.

The previous prime is 128598452459. The next prime is 128598452483. The reversal of 128598452466 is 664254895821.

It is a super-2 number, since 2×128598452466² (a number of 23 digits) contains 22 as substring.

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, 974230635 + ... + 974230766.

It is an arithmetic number, because the mean of its divisors is an integer number (17536152618).

Almost surely, 2^128598452466 is an apocalyptic number.

128598452466 is an abundant number, since it is smaller than the sum of its proper divisors (151979989422).

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

128598452466 is a wasteful number, since it uses less digits than its factorization.

128598452466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948461417.

The product of its digits is 33177600, while the sum is 60.

The spelling of 128598452466 in words is "one hundred twenty-eight billion, five hundred ninety-eight million, four hundred fifty-two thousand, four hundred sixty-six".