16343328771 has 48 divisors (see below), whose sum is σ = 30522256128. Its totient is φ = 8490031200.

The previous prime is 16343328763. The next prime is 16343328773. The reversal of 16343328771 is 17782334361.

16343328771 is a `hidden beast` number, since 1 + 634 + 3 + 3 + 2 + 8 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 16343328771 - 2³ = 16343328763 is a prime.

It is a super-3 number, since 3×16343328771³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16343328773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418020 + ... + 455441.

It is an arithmetic number, because the mean of its divisors is an integer number (635880336).

Almost surely, 2^16343328771 is an apocalyptic number.

16343328771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16343328771 is a deficient number, since it is larger than the sum of its proper divisors (14178927357).

16343328771 is an equidigital number, since it uses as much as digits as its factorization.

16343328771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873494 (or 873482 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 16343328771 in words is "sixteen billion, three hundred forty-three million, three hundred twenty-eight thousand, seven hundred seventy-one".