18328277814 has 48 divisors (see below), whose sum is σ = 46517789376. Its totient is φ = 4760590800.

The previous prime is 18328277809. The next prime is 18328277833. The reversal of 18328277814 is 41877282381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2830452 + ... + 2836919.

It is an arithmetic number, because the mean of its divisors is an integer number (969120612).

Almost surely, 2^18328277814 is an apocalyptic number.

18328277814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18328277814 is an abundant number, since it is smaller than the sum of its proper divisors (28189511562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18328277814 is a wasteful number, since it uses less digits than its factorization.

18328277814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667401 (or 5667394 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 51.

The spelling of 18328277814 in words is "eighteen billion, three hundred twenty-eight million, two hundred seventy-seven thousand, eight hundred fourteen".