18142100506 has 16 divisors (see below), whose sum is σ = 27471902400. Its totient is φ = 8984904768.

The previous prime is 18142100503. The next prime is 18142100521. The reversal of 18142100506 is 60500124181.

It is not an unprimeable number, because it can be changed into a prime (18142100503) 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 in 7 ways as a sum of consecutive naturals, for example, 331435 + ... + 382273.

It is an arithmetic number, because the mean of its divisors is an integer number (1716993900).

Almost surely, 2^18142100506 is an apocalyptic number.

18142100506 is a deficient number, since it is larger than the sum of its proper divisors (9329801894).

18142100506 is a wasteful number, since it uses less digits than its factorization.

18142100506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52533.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 18142100506 its reverse (60500124181), we get a palindrome (78642224687).

The spelling of 18142100506 in words is "eighteen billion, one hundred forty-two million, one hundred thousand, five hundred six".