18307149671104 has 112 divisors (see below), whose sum is σ = 43711553318400. Its totient is φ = 7431550212096.

The previous prime is 18307149671053. The next prime is 18307149671149. The reversal of 18307149671104 is 40117694170381.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44679837 + ... + 45087715.

Almost surely, 2^{18307149671104} is an apocalyptic number.

18307149671104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18307149671104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21855776659200).

18307149671104 is an abundant number, since it is smaller than the sum of its proper divisors (25404403647296).

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

18307149671104 is a wasteful number, since it uses less digits than its factorization.

18307149671104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413190 (or 413180 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 18307149671104 in words is "eighteen trillion, three hundred seven billion, one hundred forty-nine million, six hundred seventy-one thousand, one hundred four".