16040066085704 has 8 divisors (see below), whose sum is σ = 30075123910710. Its totient is φ = 8020033042848.

The previous prime is 16040066085661. The next prime is 16040066085749. The reversal of 16040066085704 is 40758066004061.

It can be written as a sum of positive squares in only one way, i.e., 15375009525604 + 665056560100 = 3921098^2 + 815510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1002504130349 + ... + 1002504130364.

Almost surely, 2^{16040066085704} is an apocalyptic number.

It is an amenable number.

16040066085704 is a deficient number, since it is larger than the sum of its proper divisors (14035057825006).

16040066085704 is a wasteful number, since it uses less digits than its factorization.

16040066085704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005008260719 (or 2005008260715 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 16040066085704 in words is "sixteen trillion, forty billion, sixty-six million, eighty-five thousand, seven hundred four".