16845030 has 64 divisors (see below), whose sum is σ = 45489600. Its totient is φ = 4435200.

The previous prime is 16845019. The next prime is 16845041. The reversal of 16845030 is 3054861.

16845030 = T₆₀₄ + T₆₀₅ + ... + T₆₈₄.

It is an interprime number because it is at equal distance from previous prime (16845019) and next prime (16845041).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16844985 and 16845003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23680 + ... + 24380.

It is an arithmetic number, because the mean of its divisors is an integer number (710775).

Almost surely, 2^16845030 is an apocalyptic number.

16845030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16845030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22744800).

16845030 is an abundant number, since it is smaller than the sum of its proper divisors (28644570).

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

16845030 is a wasteful number, since it uses less digits than its factorization.

16845030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 800 counting only the distinct ones).

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

The square root of 16845030 is about 4104.2697279784. The cubic root of 16845030 is about 256.3444561559.

Adding to 16845030 its reverse (3054861), we get a palindrome (19899891).

The spelling of 16845030 in words is "sixteen million, eight hundred forty-five thousand, thirty".