18127310346 has 12 divisors (see below), whose sum is σ = 39275839122. Its totient is φ = 6042436776.

The previous prime is 18127310303. The next prime is 18127310347. The reversal of 18127310346 is 64301372181.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18027090225 + 100220121 = 134265^2 + 10011^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18127310346.

It is not an unprimeable number, because it can be changed into a prime (18127310347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503536381 + ... + 503536416.

Almost surely, 2^18127310346 is an apocalyptic number.

18127310346 is an abundant number, since it is smaller than the sum of its proper divisors (21148528776).

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

18127310346 is a wasteful number, since it uses less digits than its factorization.

18127310346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007072805 (or 1007072802 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 18127310346 in words is "eighteen billion, one hundred twenty-seven million, three hundred ten thousand, three hundred forty-six".