18148582387 has 8 divisors (see below), whose sum is σ = 19734382304. Its totient is φ = 16589890368.

The previous prime is 18148582379. The next prime is 18148582409. The reversal of 18148582387 is 78328584181.

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 18148582387 - 2³ = 18148582379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18148582367) 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, 6775578 + ... + 6778255.

It is an arithmetic number, because the mean of its divisors is an integer number (2466797788).

Almost surely, 2^18148582387 is an apocalyptic number.

18148582387 is a deficient number, since it is larger than the sum of its proper divisors (1585799917).

18148582387 is a wasteful number, since it uses less digits than its factorization.

18148582387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553949.

The product of its digits is 3440640, while the sum is 55.

The spelling of 18148582387 in words is "eighteen billion, one hundred forty-eight million, five hundred eighty-two thousand, three hundred eighty-seven".