16406359 has 4 divisors (see below), whose sum is σ = 16464616. Its totient is φ = 16348104.

The previous prime is 16406323. The next prime is 16406363. The reversal of 16406359 is 95360461.

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

It is a cyclic number.

It is not a de Polignac number, because 16406359 - 2⁷ = 16406231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16406389) 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, 28704 + ... + 29269.

It is an arithmetic number, because the mean of its divisors is an integer number (4116154).

Almost surely, 2^16406359 is an apocalyptic number.

16406359 is a deficient number, since it is larger than the sum of its proper divisors (58257).

16406359 is an equidigital number, since it uses as much as digits as its factorization.

16406359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58256.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 16406359 is about 4050.4763917347. The cubic root of 16406359 is about 254.0996519311.

The spelling of 16406359 in words is "sixteen million, four hundred six thousand, three hundred fifty-nine".