16408045 has 8 divisors (see below), whose sum is σ = 19734624. Its totient is φ = 13096464.

The previous prime is 16408037. The next prime is 16408061. The reversal of 16408045 is 54080461.

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 16408045 - 2³ = 16408037 is a prime.

It is a super-3 number, since 3×16408045³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (2466828).

Almost surely, 2^16408045 is an apocalyptic number.

It is an amenable number.

16408045 is a deficient number, since it is larger than the sum of its proper divisors (3326579).

16408045 is an equidigital number, since it uses as much as digits as its factorization.

16408045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16408045 is about 4050.6845100551. The cubic root of 16408045 is about 254.1083558192.

It can be divided in two parts, 1 and 6408045, that added together give a palindrome (6408046).

The spelling of 16408045 in words is "sixteen million, four hundred eight thousand, forty-five".