16530434 has 8 divisors (see below), whose sum is σ = 25109760. Its totient is φ = 8160516.

The previous prime is 16530427. The next prime is 16530463. The reversal of 16530434 is 43403561.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 52154 + ... + 52469.

It is an arithmetic number, because the mean of its divisors is an integer number (3138720).

Almost surely, 2^16530434 is an apocalyptic number.

16530434 is a deficient number, since it is larger than the sum of its proper divisors (8579326).

16530434 is a wasteful number, since it uses less digits than its factorization.

16530434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104704.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 16530434 is about 4065.7636429089. The cubic root of 16530434 is about 254.7385966634.

Adding to 16530434 its reverse (43403561), we get a palindrome (59933995).

The spelling of 16530434 in words is "sixteen million, five hundred thirty thousand, four hundred thirty-four".