16802381376 has 189 divisors, whose sum is σ = 53045324059. Its totient is φ = 5081260800.

The previous prime is 16802381347. The next prime is 16802381381. The reversal of 16802381376 is 67318320861.

The square root of 16802381376 is 129624.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34220491 + ... + 34220981.

Almost surely, 2^16802381376 is an apocalyptic number.

16802381376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16802381376 is the 129624-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16802381376

16802381376 is an abundant number, since it is smaller than the sum of its proper divisors (36242942683).

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

16802381376 is an equidigital number, since it uses as much as digits as its factorization.

16802381376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 16802381376 in words is "sixteen billion, eight hundred two million, three hundred eighty-one thousand, three hundred seventy-six".