16553130 has 64 divisors (see below), whose sum is σ = 43849728. Its totient is φ = 3965760.

The previous prime is 16553129. The next prime is 16553149. The reversal of 16553130 is 3135561.

It is a super-2 number, since 2×16553130² = 548012225593800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16553130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33747 + ... + 34233.

It is an arithmetic number, because the mean of its divisors is an integer number (685152).

Almost surely, 2^16553130 is an apocalyptic number.

16553130 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 16553130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21924864).

16553130 is an abundant number, since it is smaller than the sum of its proper divisors (27296598).

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

16553130 is a wasteful number, since it uses less digits than its factorization.

16553130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 16553130 is about 4068.5537971127. The cubic root of 16553130 is about 254.8551272440.

Adding to 16553130 its reverse (3135561), we get a palindrome (19688691).

Subtracting from 16553130 its reverse (3135561), we obtain a square (13417569 = 3663²).

It can be divided in two parts, 165531 and 30, that added together give a palindrome (165561).

The spelling of 16553130 in words is "sixteen million, five hundred fifty-three thousand, one hundred thirty".