16905330 has 48 divisors (see below), whose sum is σ = 47338200. Its totient is φ = 4161024.

The previous prime is 16905311. The next prime is 16905341. The reversal of 16905330 is 3350961.

It can be written as a sum of positive squares in 4 ways, for example, as 15186609 + 1718721 = 3897^2 + 1311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16905294 and 16905303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6055 + ... + 8394.

Almost surely, 2^16905330 is an apocalyptic number.

16905330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16905330 is an abundant number, since it is smaller than the sum of its proper divisors (30432870).

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

16905330 is a wasteful number, since it uses less digits than its factorization.

16905330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475 (or 14472 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 16905330 is about 4111.6091740339. The cubic root of 16905330 is about 256.6499698664.

The spelling of 16905330 in words is "sixteen million, nine hundred five thousand, three hundred thirty".