16383320 has 32 divisors (see below), whose sum is σ = 38804400. Its totient is φ = 6208128.

The previous prime is 16383281. The next prime is 16383329. The reversal of 16383320 is 2338361.

It is a self number, because there is not a number n which added to its sum of digits gives 16383320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10019 + ... + 11538.

Almost surely, 2^16383320 is an apocalyptic number.

16383320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16383320 is an abundant number, since it is smaller than the sum of its proper divisors (22421080).

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

16383320 is a wasteful number, since it uses less digits than its factorization.

16383320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21587 (or 21583 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 16383320 is about 4047.6314061436. The cubic root of 16383320 is about 253.9806544879.

The spelling of 16383320 in words is "sixteen million, three hundred eighty-three thousand, three hundred twenty".