16641030 has 64 divisors (see below), whose sum is σ = 46126080. Its totient is φ = 3763584.

The previous prime is 16641019. The next prime is 16641047. The reversal of 16641030 is 3014661.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 16640988 and 16641006.

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, 22527 + ... + 23253.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^16641030 is an apocalyptic number.

16641030 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 16641030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23063040).

16641030 is an abundant number, since it is smaller than the sum of its proper divisors (29485050).

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

16641030 is a wasteful number, since it uses less digits than its factorization.

16641030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16641030 is about 4079.3418586826. The cubic root of 16641030 is about 255.3054394574.

Adding to 16641030 its reverse (3014661), we get a palindrome (19655691).

The spelling of 16641030 in words is "sixteen million, six hundred forty-one thousand, thirty".