16596869652 has 288 divisors, whose sum is σ = 49807457280. Its totient is φ = 4769107200.

The previous prime is 16596869629. The next prime is 16596869657. The reversal of 16596869652 is 25696869561.

It is a super-2 number, since 2×16596869652² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16596869652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16596869657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21470338 + ... + 21471110.

It is an arithmetic number, because the mean of its divisors is an integer number (172942560).

Almost surely, 2^16596869652 is an apocalyptic number.

16596869652 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 16596869652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24903728640).

16596869652 is an abundant number, since it is smaller than the sum of its proper divisors (33210587628).

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

16596869652 is a wasteful number, since it uses less digits than its factorization.

16596869652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 873 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

Subtracting 16596869652 from its reverse (25696869561), we obtain a palindrome (9099999909).

The spelling of 16596869652 in words is "sixteen billion, five hundred ninety-six million, eight hundred sixty-nine thousand, six hundred fifty-two".