16452535428 has 96 divisors (see below), whose sum is σ = 49195731200. Its totient is φ = 4657575168.

The previous prime is 16452535427. The next prime is 16452535433. The reversal of 16452535428 is 82453525461.

16452535428 is a `hidden beast` number, since 1 + 6 + 4 + 52 + 53 + 542 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (16452535427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17425 + ... + 182232.

Almost surely, 2^16452535428 is an apocalyptic number.

16452535428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16452535428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24597865600).

16452535428 is an abundant number, since it is smaller than the sum of its proper divisors (32743195772).

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

16452535428 is a wasteful number, since it uses less digits than its factorization.

16452535428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199786 (or 199778 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 16452535428 in words is "sixteen billion, four hundred fifty-two million, five hundred thirty-five thousand, four hundred twenty-eight".