18145127327 has 8 divisors (see below), whose sum is σ = 19213757136. Its totient is φ = 17076638592.

The previous prime is 18145127323. The next prime is 18145127347. The reversal of 18145127327 is 72372154181.

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 18145127327 - 2² = 18145127323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18145127323) 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, 349688 + ... + 398210.

It is an arithmetic number, because the mean of its divisors is an integer number (2401719642).

Almost surely, 2^18145127327 is an apocalyptic number.

18145127327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18145127327 is a deficient number, since it is larger than the sum of its proper divisors (1068629809).

18145127327 is a wasteful number, since it uses less digits than its factorization.

18145127327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70537.

The product of its digits is 94080, while the sum is 41.

The spelling of 18145127327 in words is "eighteen billion, one hundred forty-five million, one hundred twenty-seven thousand, three hundred twenty-seven".