16818441 has 8 divisors (see below), whose sum is σ = 22493664. Its totient is φ = 11177760.

The previous prime is 16818427. The next prime is 16818443. The reversal of 16818441 is 14481861.

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

It is not a de Polignac number, because 16818441 - 2⁶ = 16818377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16818443) 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, 7476 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (2811708).

Almost surely, 2^16818441 is an apocalyptic number.

It is an amenable number.

16818441 is a deficient number, since it is larger than the sum of its proper divisors (5675223).

16818441 is a wasteful number, since it uses less digits than its factorization.

16818441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17271.

The product of its digits is 6144, while the sum is 33.

The square root of 16818441 is about 4101.0292610514. The cubic root of 16818441 is about 256.2095096841.

The spelling of 16818441 in words is "sixteen million, eight hundred eighteen thousand, four hundred forty-one".