18337227401712 has 40 divisors (see below), whose sum is σ = 47525474313856. Its totient is φ = 6092499001536.

The previous prime is 18337227401707. The next prime is 18337227401747. The reversal of 18337227401712 is 21710472273381.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622176748 + ... + 622206219.

Almost surely, 2^{18337227401712} is an apocalyptic number.

18337227401712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18337227401712 is an abundant number, since it is smaller than the sum of its proper divisors (29188246912144).

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

18337227401712 is a wasteful number, since it uses less digits than its factorization.

18337227401712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244383285 (or 1244383279 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 18337227401712 in words is "eighteen trillion, three hundred thirty-seven billion, two hundred twenty-seven million, four hundred one thousand, seven hundred twelve".