16366345 has 4 divisors (see below), whose sum is σ = 19639620. Its totient is φ = 13093072.

The previous prime is 16366333. The next prime is 16366349. The reversal of 16366345 is 54366361.

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 11002489 + 5363856 = 3317^2 + 2316^2 .

It is a cyclic number.

It is not a de Polignac number, because 16366345 - 2⁵ = 16366313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16366345.

It is not an unprimeable number, because it can be changed into a prime (16366349) 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, 1636630 + ... + 1636639.

It is an arithmetic number, because the mean of its divisors is an integer number (4909905).

Almost surely, 2^16366345 is an apocalyptic number.

It is an amenable number.

16366345 is a deficient number, since it is larger than the sum of its proper divisors (3273275).

16366345 is an equidigital number, since it uses as much as digits as its factorization.

16366345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273274.

The product of its digits is 38880, while the sum is 34.

The square root of 16366345 is about 4045.5339573411. The cubic root of 16366345 is about 253.8929064719.

The spelling of 16366345 in words is "sixteen million, three hundred sixty-six thousand, three hundred forty-five".