16065332500 has 60 divisors (see below), whose sum is σ = 40150522720. Its totient is φ = 5508108000.

The previous prime is 16065332477. The next prime is 16065332531. The reversal of 16065332500 is 523356061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 441510 + ... + 476509.

Almost surely, 2^16065332500 is an apocalyptic number.

16065332500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16065332500 is an abundant number, since it is smaller than the sum of its proper divisors (24085190220).

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

16065332500 is an equidigital number, since it uses as much as digits as its factorization.

16065332500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918050 (or 918033 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 16065332500 its reverse (523356061), we get a palindrome (16588688561).

The spelling of 16065332500 in words is "sixteen billion, sixty-five million, three hundred thirty-two thousand, five hundred".