16142318 has 4 divisors (see below), whose sum is σ = 24213480. Its totient is φ = 8071158.

The previous prime is 16142311. The next prime is 16142339. The reversal of 16142318 is 81324161.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035578 + ... + 4035581.

It is an arithmetic number, because the mean of its divisors is an integer number (6053370).

Almost surely, 2^16142318 is an apocalyptic number.

16142318 is a deficient number, since it is larger than the sum of its proper divisors (8071162).

16142318 is an equidigital number, since it uses as much as digits as its factorization.

16142318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071161.

The product of its digits is 1152, while the sum is 26.

The square root of 16142318 is about 4017.7503655653. The cubic root of 16142318 is about 252.7291283567.

Adding to 16142318 its reverse (81324161), we get a palindrome (97466479).

The spelling of 16142318 in words is "sixteen million, one hundred forty-two thousand, three hundred eighteen".