16408485 has 48 divisors (see below), whose sum is σ = 30579120. Its totient is φ = 8110080.

The previous prime is 16408481. The next prime is 16408493. The reversal of 16408485 is 58480461.

16408485 is a `hidden beast` number, since 1 + 640 + 8 + 4 + 8 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 30276 + 16378209 = 174^2 + 4047^2 .

It is not a de Polignac number, because 16408485 - 2² = 16408481 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16408481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67965 + ... + 68205.

It is an arithmetic number, because the mean of its divisors is an integer number (637065).

Almost surely, 2^16408485 is an apocalyptic number.

16408485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16408485 is a deficient number, since it is larger than the sum of its proper divisors (14170635).

16408485 is a wasteful number, since it uses less digits than its factorization.

16408485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 16408485 is about 4050.7388214991. The cubic root of 16408485 is about 254.1106271984.

The spelling of 16408485 in words is "sixteen million, four hundred eight thousand, four hundred eighty-five".