16618041 has 24 divisors (see below), whose sum is σ = 27160224. Its totient is φ = 10069920.

The previous prime is 16618039. The next prime is 16618051. The reversal of 16618041 is 14081661.

16618041 is a `hidden beast` number, since 1 + 6 + 618 + 0 + 41 = 666.

It is not a de Polignac number, because 16618041 - 2¹ = 16618039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16617996 and 16618014.

It is not an unprimeable number, because it can be changed into a prime (16618051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (1131676).

Almost surely, 2^16618041 is an apocalyptic number.

16618041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16618041 is a deficient number, since it is larger than the sum of its proper divisors (10542183).

16618041 is an equidigital number, since it uses as much as digits as its factorization.

16618041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243 (or 6231 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 16618041 is about 4076.5231509216. The cubic root of 16618041 is about 255.1878201048.

The spelling of 16618041 in words is "sixteen million, six hundred eighteen thousand, forty-one".