16334545 has 4 divisors (see below), whose sum is σ = 19601460. Its totient is φ = 13067632.

The previous prime is 16334543. The next prime is 16334557. The reversal of 16334545 is 54543361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10439361 + 5895184 = 3231^2 + 2428^2 .

It is a cyclic number.

It is not a de Polignac number, because 16334545 - 2¹ = 16334543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16334543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633450 + ... + 1633459.

It is an arithmetic number, because the mean of its divisors is an integer number (4900365).

Almost surely, 2^16334545 is an apocalyptic number.

It is an amenable number.

16334545 is a deficient number, since it is larger than the sum of its proper divisors (3266915).

16334545 is an equidigital number, since it uses as much as digits as its factorization.

16334545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266914.

The product of its digits is 21600, while the sum is 31.

The square root of 16334545 is about 4041.6017864208. The cubic root of 16334545 is about 253.7283608910.

The spelling of 16334545 in words is "sixteen million, three hundred thirty-four thousand, five hundred forty-five".