18000018000074 has 8 divisors (see below), whose sum is σ = 29454574909248. Its totient is φ = 8181826363660.

The previous prime is 18000018000073. The next prime is 18000018000077. The reversal of 18000018000074 is 47000081000081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18000018000073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409091318162 + ... + 409091318205.

It is an arithmetic number, because the mean of its divisors is an integer number (3681821863656).

Almost surely, 2^{18000018000074} is an apocalyptic number.

18000018000074 is a deficient number, since it is larger than the sum of its proper divisors (11454556909174).

18000018000074 is a wasteful number, since it uses less digits than its factorization.

18000018000074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818182636380.

The product of its (nonzero) digits is 1792, while the sum is 29.

The spelling of 18000018000074 in words is "eighteen trillion, eighteen million, seventy-four", and thus it is an aban number.