18048671712 has 36 divisors (see below), whose sum is σ = 51325911000. Its totient is φ = 6016223808.

The previous prime is 18048671699. The next prime is 18048671717. The reversal of 18048671712 is 21717684081.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18048671717) 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, 31334212 + ... + 31334787.

It is an arithmetic number, because the mean of its divisors is an integer number (1425719750).

Almost surely, 2^18048671712 is an apocalyptic number.

18048671712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18048671712 is an abundant number, since it is smaller than the sum of its proper divisors (33277239288).

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

18048671712 is a wasteful number, since it uses less digits than its factorization.

18048671712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62669015 (or 62669004 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The spelling of 18048671712 in words is "eighteen billion, forty-eight million, six hundred seventy-one thousand, seven hundred twelve".