3666666666671 has 8 divisors (see below), whose sum is σ = 3668894192400. Its totient is φ = 3664439343360.

The previous prime is 3666666666667. The next prime is 3666666666703. The reversal of 3666666666671 is 1766666666663.

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

It is a cyclic number.

It is not a de Polignac number, because 3666666666671 - 2² = 3666666666667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3666666666595 and 3666666666604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666666666601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52166111 + ... + 52236351.

It is an arithmetic number, because the mean of its divisors is an integer number (458611774050).

Almost surely, 2^{3666666666671} is an apocalyptic number.

3666666666671 is a deficient number, since it is larger than the sum of its proper divisors (2227525729).

3666666666671 is a wasteful number, since it uses less digits than its factorization.

3666666666671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101209.

The product of its digits is 1269789696, while the sum is 71.

The spelling of 3666666666671 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-one".