16729870336 has 117 divisors (see below), whose sum is σ = 34996055691. Its totient is φ = 7996563456.

The previous prime is 16729870303. The next prime is 16729870351. The reversal of 16729870336 is 63307892761.

It is a happy number.

The square root of 16729870336 is 129344.

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

It is a super-2 number, since 2×16729870336² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 355954665 + ... + 355954711.

Almost surely, 2^16729870336 is an apocalyptic number.

16729870336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16729870336 is the 129344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16729870336

16729870336 is an abundant number, since it is smaller than the sum of its proper divisors (18266185355).

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

16729870336 is an frugal number, since it uses more digits than its factorization.

16729870336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 16729870336 in words is "sixteen billion, seven hundred twenty-nine million, eight hundred seventy thousand, three hundred thirty-six".