16384680 has 160 divisors (see below), whose sum is σ = 59459400. Its totient is φ = 4022784.

The previous prime is 16384639. The next prime is 16384691. The reversal of 16384680 is 8648361.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7986276 + 8398404 = 2826^2 + 2898^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41926 + ... + 42314.

Almost surely, 2^16384680 is an apocalyptic number.

16384680 is a gapful number since it is divisible by the number (10) 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 16384680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29729700).

16384680 is an abundant number, since it is smaller than the sum of its proper divisors (43074720).

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

16384680 is a wasteful number, since it uses less digits than its factorization.

16384680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 16384680 is about 4047.7994021443. The cubic root of 16384680 is about 253.9876820447.

The spelling of 16384680 in words is "sixteen million, three hundred eighty-four thousand, six hundred eighty".