18067481137 has 8 divisors (see below), whose sum is σ = 18701904896. Its totient is φ = 17440747632.

The previous prime is 18067481071. The next prime is 18067481167. The reversal of 18067481137 is 73118476081.

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

It is a cyclic number.

It is not a de Polignac number, because 18067481137 - 2⁷ = 18067481009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18067481167) 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, 1917783 + ... + 1927180.

It is an arithmetic number, because the mean of its divisors is an integer number (2337738112).

Almost surely, 2^18067481137 is an apocalyptic number.

It is an amenable number.

18067481137 is a deficient number, since it is larger than the sum of its proper divisors (634423759).

18067481137 is a wasteful number, since it uses less digits than its factorization.

18067481137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845127.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 18067481137 in words is "eighteen billion, sixty-seven million, four hundred eighty-one thousand, one hundred thirty-seven".