16218141 has 8 divisors (see below), whose sum is σ = 21661920. Its totient is φ = 10793232.

The previous prime is 16218133. The next prime is 16218157. The reversal of 16218141 is 14181261.

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

It is not a de Polignac number, because 16218141 - 2³ = 16218133 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16218101) 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, 2571 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (2707740).

Almost surely, 2^16218141 is an apocalyptic number.

It is an amenable number.

16218141 is a deficient number, since it is larger than the sum of its proper divisors (5443779).

16218141 is an equidigital number, since it uses as much as digits as its factorization.

16218141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435.

The product of its digits is 384, while the sum is 24.

The square root of 16218141 is about 4027.1753127968. The cubic root of 16218141 is about 253.1242131968.

The spelling of 16218141 in words is "sixteen million, two hundred eighteen thousand, one hundred forty-one".