3666666703671 has 12 divisors (see below), whose sum is σ = 5318456588640. Its totient is φ = 2434216666560.

The previous prime is 3666666703643. The next prime is 3666666703673. The reversal of 3666666703671 is 1763076666663.

It is not a de Polignac number, because 3666666703671 - 2¹³ = 3666666695479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3666666703599 and 3666666703608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666666703673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852314610 + ... + 852318911.

It is an arithmetic number, because the mean of its divisors is an integer number (443204715720).

Almost surely, 2^{3666666703671} is an apocalyptic number.

3666666703671 is a deficient number, since it is larger than the sum of its proper divisors (1651789884969).

3666666703671 is a wasteful number, since it uses less digits than its factorization.

3666666703671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704633766 (or 1704633763 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 63.

The spelling of 3666666703671 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-six million, seven hundred three thousand, six hundred seventy-one".