18066064347 has 6 divisors (see below), whose sum is σ = 26095426292. Its totient is φ = 12044042892.

The previous prime is 18066064321. The next prime is 18066064351. The reversal of 18066064347 is 74346066081.

It is a happy number.

18066064347 is a `hidden beast` number, since 1 + 8 + 0 + 6 + 606 + 4 + 34 + 7 = 666.

It is not a de Polignac number, because 18066064347 - 2³² = 13771097051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18066064307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1003670233 + ... + 1003670250.

Almost surely, 2^18066064347 is an apocalyptic number.

18066064347 is a deficient number, since it is larger than the sum of its proper divisors (8029361945).

18066064347 is a wasteful number, since it uses less digits than its factorization.

18066064347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007340489 (or 2007340486 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 18066064347 in words is "eighteen billion, sixty-six million, sixty-four thousand, three hundred forty-seven".