16365427 has 8 divisors (see below), whose sum is σ = 18193280. Its totient is φ = 14618880.

The previous prime is 16365421. The next prime is 16365439. The reversal of 16365427 is 72456361.

16365427 = 419² + 420² + ... + 496².

It is a happy number.

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 16365427 - 2⁷ = 16365299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16365392 and 16365401.

It is not an unprimeable number, because it can be changed into a prime (16365421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19902 + ... + 20707.

It is an arithmetic number, because the mean of its divisors is an integer number (2274160).

Almost surely, 2^16365427 is an apocalyptic number.

16365427 is a deficient number, since it is larger than the sum of its proper divisors (1827853).

16365427 is a wasteful number, since it uses less digits than its factorization.

16365427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40653.

The product of its digits is 30240, while the sum is 34.

The square root of 16365427 is about 4045.4204973031. The cubic root of 16365427 is about 253.8881593716. Note that the first 3 decimals are identical.

The spelling of 16365427 in words is "sixteen million, three hundred sixty-five thousand, four hundred twenty-seven".