16395265936 has 135 divisors (see below), whose sum is σ = 39400065939. Its totient is φ = 6588632064.

The previous prime is 16395265933. The next prime is 16395265949. The reversal of 16395265936 is 63956259361.

The square root of 16395265936 is 128044.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 856147600 + 15539118336 = 29260^2 + 124656^2 .

It is a super-2 number, since 2×16395265936² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16395265933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60948810 + ... + 60949078.

Almost surely, 2^16395265936 is an apocalyptic number.

16395265936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16395265936 is the 128044-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16395265936

16395265936 is an abundant number, since it is smaller than the sum of its proper divisors (23004800003).

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

16395265936 is an equidigital number, since it uses as much as digits as its factorization.

16395265936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 295 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 55.

The spelling of 16395265936 in words is "sixteen billion, three hundred ninety-five million, two hundred sixty-five thousand, nine hundred thirty-six".