16650453 has 4 divisors (see below), whose sum is σ = 22200608. Its totient is φ = 11100300.

The previous prime is 16650451. The next prime is 16650457. The reversal of 16650453 is 35405661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16650453 - 2¹ = 16650451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16650453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16650451) 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 3 ways as a sum of consecutive naturals, for example, 2775073 + ... + 2775078.

It is an arithmetic number, because the mean of its divisors is an integer number (5550152).

Almost surely, 2^16650453 is an apocalyptic number.

It is an amenable number.

16650453 is a deficient number, since it is larger than the sum of its proper divisors (5550155).

16650453 is an equidigital number, since it uses as much as digits as its factorization.

16650453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550154.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 16650453 is about 4080.4966609470. The cubic root of 16650453 is about 255.3536193520.

The spelling of 16650453 in words is "sixteen million, six hundred fifty thousand, four hundred fifty-three".