16565045 has 8 divisors (see below), whose sum is σ = 22717824. Its totient is φ = 11358864.

The previous prime is 16565033. The next prime is 16565051. The reversal of 16565045 is 54056561.

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 16565045 - 2¹⁰ = 16564021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236609 + ... + 236678.

It is an arithmetic number, because the mean of its divisors is an integer number (2839728).

Almost surely, 2^16565045 is an apocalyptic number.

It is an amenable number.

16565045 is a deficient number, since it is larger than the sum of its proper divisors (6152779).

16565045 is an equidigital number, since it uses as much as digits as its factorization.

16565045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473299.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 16565045 is about 4070.0178132288. The cubic root of 16565045 is about 254.9162611111.

The spelling of 16565045 in words is "sixteen million, five hundred sixty-five thousand, forty-five".