16364545 has 16 divisors (see below), whose sum is σ = 20561040. Its totient is φ = 12489984.

The previous prime is 16364533. The next prime is 16364561. The reversal of 16364545 is 54546361.

It can be written as a sum of positive squares in 8 ways, for example, as 1317904 + 15046641 = 1148^2 + 3879^2 .

It is a cyclic number.

It is not a de Polignac number, because 16364545 - 2¹¹ = 16362497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16364545.

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 15 ways as a sum of consecutive naturals, for example, 8971 + ... + 10639.

It is an arithmetic number, because the mean of its divisors is an integer number (1285065).

Almost surely, 2^16364545 is an apocalyptic number.

It is an amenable number.

16364545 is a deficient number, since it is larger than the sum of its proper divisors (4196495).

16364545 is a wasteful number, since it uses less digits than its factorization.

16364545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its digits is 43200, while the sum is 34.

The square root of 16364545 is about 4045.3114836808. The cubic root of 16364545 is about 253.8835982648.

The spelling of 16364545 in words is "sixteen million, three hundred sixty-four thousand, five hundred forty-five".