16338780 has 96 divisors (see below), whose sum is σ = 51609600. Its totient is φ = 4290624.

The previous prime is 16338769. The next prime is 16338781. The reversal of 16338780 is 8783361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42469 + ... + 42851.

It is an arithmetic number, because the mean of its divisors is an integer number (537600).

Almost surely, 2^16338780 is an apocalyptic number.

16338780 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 16338780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25804800).

16338780 is an abundant number, since it is smaller than the sum of its proper divisors (35270820).

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

16338780 is a wasteful number, since it uses less digits than its factorization.

16338780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 16338780 is about 4042.1256784024. The cubic root of 16338780 is about 253.7502867493.

The spelling of 16338780 in words is "sixteen million, three hundred thirty-eight thousand, seven hundred eighty".