16356545 has 8 divisors (see below), whose sum is σ = 19702440. Its totient is φ = 13035520.

The previous prime is 16356541. The next prime is 16356563. The reversal of 16356545 is 54565361.

16356545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 107584 + 16248961 = 328^2 + 4031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16356545 - 2² = 16356541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16356541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4736 + ... + 7425.

It is an arithmetic number, because the mean of its divisors is an integer number (2462805).

Almost surely, 2^16356545 is an apocalyptic number.

It is an amenable number.

16356545 is a deficient number, since it is larger than the sum of its proper divisors (3345895).

16356545 is a wasteful number, since it uses less digits than its factorization.

16356545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12435.

The product of its digits is 54000, while the sum is 35.

The square root of 16356545 is about 4044.3225637924. The cubic root of 16356545 is about 253.8422201952.

The spelling of 16356545 in words is "sixteen million, three hundred fifty-six thousand, five hundred forty-five".