16618145 has 8 divisors (see below), whose sum is σ = 20086080. Its totient is φ = 13198320.

The previous prime is 16618111. The next prime is 16618157. The reversal of 16618145 is 54181661.

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

It is not a de Polignac number, because 16618145 - 2⁸ = 16617889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (2510760).

Almost surely, 2^16618145 is an apocalyptic number.

It is an amenable number.

16618145 is a deficient number, since it is larger than the sum of its proper divisors (3467935).

16618145 is a wasteful number, since it uses less digits than its factorization.

16618145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24055.

The product of its digits is 5760, while the sum is 32.

The square root of 16618145 is about 4076.5359068699. The cubic root of 16618145 is about 255.1883524474.

The spelling of 16618145 in words is "sixteen million, six hundred eighteen thousand, one hundred forty-five".