16485559 has 8 divisors (see below), whose sum is σ = 17550000. Its totient is φ = 15440832.

The previous prime is 16485541. The next prime is 16485577. The reversal of 16485559 is 95558461.

It is an interprime number because it is at equal distance from previous prime (16485541) and next prime (16485577).

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 16485559 - 2⁵ = 16485527 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 (16485589) 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, 3184 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (2193750).

Almost surely, 2^16485559 is an apocalyptic number.

16485559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16485559 is a deficient number, since it is larger than the sum of its proper divisors (1064441).

16485559 is an equidigital number, since it uses as much as digits as its factorization.

16485559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857.

The product of its digits is 216000, while the sum is 43.

The square root of 16485559 is about 4060.2412489900. The cubic root of 16485559 is about 254.5078756715.

The spelling of 16485559 in words is "sixteen million, four hundred eighty-five thousand, five hundred fifty-nine".