18466413 has 8 divisors (see below), whose sum is σ = 28139328. Its totient is φ = 10552224.

The previous prime is 18466411. The next prime is 18466429. The reversal of 18466413 is 31466481.

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

It is not a de Polignac number, because 18466413 - 2¹ = 18466411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18466411) by changing a digit.

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, 439656 + ... + 439697.

It is an arithmetic number, because the mean of its divisors is an integer number (3517416).

Almost surely, 2^18466413 is an apocalyptic number.

It is an amenable number.

18466413 is a deficient number, since it is larger than the sum of its proper divisors (9672915).

18466413 is an equidigital number, since it uses as much as digits as its factorization.

18466413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879363.

The product of its digits is 13824, while the sum is 33.

The square root of 18466413 is about 4297.2564503413. The cubic root of 18466413 is about 264.3184718379.

The spelling of 18466413 in words is "eighteen million, four hundred sixty-six thousand, four hundred thirteen".