16316553 has 8 divisors (see below), whose sum is σ = 23733216. Its totient is φ = 9888800.

The previous prime is 16316551. The next prime is 16316569. The reversal of 16316553 is 35561361.

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

It is a cyclic number.

It is not a de Polignac number, because 16316553 - 2¹ = 16316551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16316553.

It is not an unprimeable number, because it can be changed into a prime (16316551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 247188 + ... + 247253.

It is an arithmetic number, because the mean of its divisors is an integer number (2966652).

Almost surely, 2^16316553 is an apocalyptic number.

It is an amenable number.

16316553 is a deficient number, since it is larger than the sum of its proper divisors (7416663).

16316553 is a wasteful number, since it uses less digits than its factorization.

16316553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494455.

The product of its digits is 8100, while the sum is 30.

The square root of 16316553 is about 4039.3753229924. The cubic root of 16316553 is about 253.6351686657.

The spelling of 16316553 in words is "sixteen million, three hundred sixteen thousand, five hundred fifty-three".