18446063 has 2 divisors, whose sum is σ = 18446064. Its totient is φ = 18446062.

The previous prime is 18446047. The next prime is 18446081. The reversal of 18446063 is 36064481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18446063 - 2⁴ = 18446047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18443063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9223031 + 9223032.

It is an arithmetic number, because the mean of its divisors is an integer number (9223032).

Almost surely, 2^18446063 is an apocalyptic number.

18446063 is a deficient number, since it is larger than the sum of its proper divisors (1).

18446063 is an equidigital number, since it uses as much as digits as its factorization.

18446063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 18446063 is about 4294.8880078531. Note that the first 3 decimals coincide. The cubic root of 18446063 is about 264.2213431038.

The spelling of 18446063 in words is "eighteen million, four hundred forty-six thousand, sixty-three".