16853545 has 8 divisors (see below), whose sum is σ = 21414024. Its totient is φ = 12689664.

The previous prime is 16853533. The next prime is 16853587. The reversal of 16853545 is 54535861.

It can be written as a sum of positive squares in 4 ways, for example, as 660969 + 16192576 = 813^2 + 4024^2 .

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 16853545 - 2²¹ = 14756393 is a prime.

It is a Duffinian 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, 99054 + ... + 99223.

It is an arithmetic number, because the mean of its divisors is an integer number (2676753).

Almost surely, 2^16853545 is an apocalyptic number.

It is an amenable number.

16853545 is a deficient number, since it is larger than the sum of its proper divisors (4560479).

16853545 is a wasteful number, since it uses less digits than its factorization.

16853545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198299.

The product of its digits is 72000, while the sum is 37.

The square root of 16853545 is about 4105.3069312781. The cubic root of 16853545 is about 256.3876420957.

The spelling of 16853545 in words is "sixteen million, eight hundred fifty-three thousand, five hundred forty-five".