16396839936 has 176 divisors, whose sum is σ = 48757574880. Its totient is φ = 5443338240.

The previous prime is 16396839913. The next prime is 16396839941. The reversal of 16396839936 is 63993869361.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7657426 + ... + 7659566.

Almost surely, 2^16396839936 is an apocalyptic number.

16396839936 is a gapful number since it is divisible by the number (16) 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 16396839936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24378787440).

16396839936 is an abundant number, since it is smaller than the sum of its proper divisors (32360734944).

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

16396839936 is a wasteful number, since it uses less digits than its factorization.

16396839936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2423 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The spelling of 16396839936 in words is "sixteen billion, three hundred ninety-six million, eight hundred thirty-nine thousand, nine hundred thirty-six".