16536105432 has 192 divisors, whose sum is σ = 56208821760. Its totient is φ = 4266432000.

The previous prime is 16536105431. The next prime is 16536105451. The reversal of 16536105432 is 23450163561.

16536105432 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 610 + 5 + 4 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16536105431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827268 + ... + 847020.

It is an arithmetic number, because the mean of its divisors is an integer number (292754280).

Almost surely, 2^16536105432 is an apocalyptic number.

16536105432 is a gapful number since it is divisible by the number (12) 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 16536105432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28104410880).

16536105432 is an abundant number, since it is smaller than the sum of its proper divisors (39672716328).

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

16536105432 is a wasteful number, since it uses less digits than its factorization.

16536105432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19934 (or 19927 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 16536105432 its reverse (23450163561), we get a palindrome (39986268993).

The spelling of 16536105432 in words is "sixteen billion, five hundred thirty-six million, one hundred five thousand, four hundred thirty-two".