18674073012 has 288 divisors, whose sum is σ = 56127447040. Its totient is φ = 4712256000.

The previous prime is 18674072999. The next prime is 18674073059. The reversal of 18674073012 is 21037047681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 184891762 + ... + 184891862.

Almost surely, 2^18674073012 is an apocalyptic number.

18674073012 is a gapful number since it is divisible by the number (12) 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 18674073012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28063723520).

18674073012 is an abundant number, since it is smaller than the sum of its proper divisors (37453374028).

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

18674073012 is a wasteful number, since it uses less digits than its factorization.

18674073012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 18674073012 in words is "eighteen billion, six hundred seventy-four million, seventy-three thousand, twelve".