1868342718 has 16 divisors (see below), whose sum is σ = 4076384256. Its totient is φ = 566164440.

The previous prime is 1868342717. The next prime is 1868342747. The reversal of 1868342718 is 8172438681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868342717) 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, 14154046 + ... + 14154177.

It is an arithmetic number, because the mean of its divisors is an integer number (254774016).

Almost surely, 2^1868342718 is an apocalyptic number.

1868342718 is an abundant number, since it is smaller than the sum of its proper divisors (2208041538).

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

1868342718 is a wasteful number, since it uses less digits than its factorization.

1868342718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308239.

The product of its digits is 516096, while the sum is 48.

The square root of 1868342718 is about 43224.3301625369. The cubic root of 1868342718 is about 1231.6449048125.

The spelling of 1868342718 in words is "one billion, eight hundred sixty-eight million, three hundred forty-two thousand, seven hundred eighteen".