3666372736663 has 16 divisors (see below), whose sum is σ = 4558978957120. Its totient is φ = 2870960495616.

The previous prime is 3666372736657. The next prime is 3666372736681.

3666372736663 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3666372736663 - 2²⁹ = 3665835865751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3666372736595 and 3666372736604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666372736643) 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, 207670608 + ... + 207688261.

It is an arithmetic number, because the mean of its divisors is an integer number (284936184820).

Almost surely, 2^{3666372736663} is an apocalyptic number.

3666372736663 is a deficient number, since it is larger than the sum of its proper divisors (892606220457).

3666372736663 is a wasteful number, since it uses less digits than its factorization.

3666372736663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415358986.

The product of its digits is 370355328, while the sum is 64.

The spelling of 3666372736663 in words is "three trillion, six hundred sixty-six billion, three hundred seventy-two million, seven hundred thirty-six thousand, six hundred sixty-three".