16334656 has 56 divisors (see below), whose sum is σ = 36164520. Its totient is φ = 7268352.

The previous prime is 16334609. The next prime is 16334657. The reversal of 16334656 is 65643361.

It can be written as a sum of positive squares in 4 ways, for example, as 4665600 + 11669056 = 2160^2 + 3416^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16334657) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23790 + ... + 24466.

It is an arithmetic number, because the mean of its divisors is an integer number (645795).

Almost surely, 2^16334656 is an apocalyptic number.

16334656 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 16334656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18082260).

16334656 is an abundant number, since it is smaller than the sum of its proper divisors (19829864).

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

16334656 is a wasteful number, since it uses less digits than its factorization.

16334656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 721 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 16334656 is about 4041.6155185767. The cubic root of 16334656 is about 253.7289356195.

The spelling of 16334656 in words is "sixteen million, three hundred thirty-four thousand, six hundred fifty-six".