16432125512 has 64 divisors (see below), whose sum is σ = 34585392960. Its totient is φ = 7255456000.

The previous prime is 16432125491. The next prime is 16432125539. The reversal of 16432125512 is 21552123461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453623 + ... + 488505.

It is an arithmetic number, because the mean of its divisors is an integer number (540396765).

Almost surely, 2^16432125512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16432125512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292696480).

16432125512 is an abundant number, since it is smaller than the sum of its proper divisors (18153267448).

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

16432125512 is a wasteful number, since it uses less digits than its factorization.

16432125512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35054 (or 35050 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 16432125512 its reverse (21552123461), we get a palindrome (37984248973).

The spelling of 16432125512 in words is "sixteen billion, four hundred thirty-two million, one hundred twenty-five thousand, five hundred twelve".