16836521984 has 104 divisors (see below), whose sum is σ = 36202909440. Its totient is φ = 7803813888.

The previous prime is 16836521899. The next prime is 16836521987. The reversal of 16836521984 is 48912563861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16836521987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655427 + ... + 3660029.

Almost surely, 2^16836521984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16836521984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18101454720).

16836521984 is an abundant number, since it is smaller than the sum of its proper divisors (19366387456).

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

16836521984 is an equidigital number, since it uses as much as digits as its factorization.

16836521984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693 (or 4671 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The spelling of 16836521984 in words is "sixteen billion, eight hundred thirty-six million, five hundred twenty-one thousand, nine hundred eighty-four".