18144064147 has 8 divisors (see below), whose sum is σ = 20957849712. Its totient is φ = 15524332800.

The previous prime is 18144064123. The next prime is 18144064153. The reversal of 18144064147 is 74146044181.

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 18144064147 - 2⁷ = 18144064019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18144064177) 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, 48513354 + ... + 48513727.

It is an arithmetic number, because the mean of its divisors is an integer number (2619731214).

Almost surely, 2^18144064147 is an apocalyptic number.

18144064147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18144064147 is a deficient number, since it is larger than the sum of its proper divisors (2813785565).

18144064147 is a wasteful number, since it uses less digits than its factorization.

18144064147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97027109.

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 18144064147 in words is "eighteen billion, one hundred forty-four million, sixty-four thousand, one hundred forty-seven".