18346106387 has 8 divisors (see below), whose sum is σ = 21042674016. Its totient is φ = 15668462592.

The previous prime is 18346106357. The next prime is 18346106413. The reversal of 18346106387 is 78360164381.

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 18346106387 - 2²⁶ = 18278997523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18346106347) 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, 4728878 + ... + 4732755.

It is an arithmetic number, because the mean of its divisors is an integer number (2630334252).

Almost surely, 2^18346106387 is an apocalyptic number.

18346106387 is a deficient number, since it is larger than the sum of its proper divisors (2696567629).

18346106387 is an equidigital number, since it uses as much as digits as its factorization.

18346106387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461917.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 18346106387 in words is "eighteen billion, three hundred forty-six million, one hundred six thousand, three hundred eighty-seven".