16045380 has 72 divisors (see below), whose sum is σ = 52422552. Its totient is φ = 3949056.

The previous prime is 16045373. The next prime is 16045387. The reversal of 16045380 is 8354061.

16045380 is a `hidden beast` number, since 1 + 604 + 53 + 8 + 0 = 666.

16045380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16045373) and next prime (16045387).

It can be written as a sum of positive squares in 4 ways, for example, as 788544 + 15256836 = 888^2 + 3906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16045387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1089 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (728091).

Almost surely, 2^16045380 is an apocalyptic number.

16045380 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 16045380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26211276).

16045380 is an abundant number, since it is smaller than the sum of its proper divisors (36377172).

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

16045380 is a wasteful number, since it uses less digits than its factorization.

16045380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885 (or 6880 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16045380 is about 4005.6684835368. The cubic root of 16045380 is about 252.2222151784. Note that the first 4 decimals are identical.

The spelling of 16045380 in words is "sixteen million, forty-five thousand, three hundred eighty".