18001330002147 has 16 divisors (see below), whose sum is σ = 24400739319200. Its totient is φ = 11801492294400.

The previous prime is 18001330002109. The next prime is 18001330002157. The reversal of 18001330002147 is 74120003310081.

It is not a de Polignac number, because 18001330002147 - 2²⁶ = 18001262893283 is a prime.

It is a super-2 number, since 2×18001330002147² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18001330002157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10262272 + ... + 11887677.

It is an arithmetic number, because the mean of its divisors is an integer number (1525046207450).

Almost surely, 2^{18001330002147} is an apocalyptic number.

18001330002147 is a deficient number, since it is larger than the sum of its proper divisors (6399409317053).

18001330002147 is a wasteful number, since it uses less digits than its factorization.

18001330002147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22154454.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 18001330002147 in words is "eighteen trillion, one billion, three hundred thirty million, two thousand, one hundred forty-seven".