3663345777671 has 16 divisors (see below), whose sum is σ = 4153612707840. Its totient is φ = 3212559804960.

The previous prime is 3663345777653. The next prime is 3663345777703. The reversal of 3663345777671 is 1767775433663.

3663345777671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3663345777671 - 2⁶ = 3663345777607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3663345777598 and 3663345777607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663345770671) 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, 135195200 + ... + 135222293.

It is an arithmetic number, because the mean of its divisors is an integer number (259600794240).

Almost surely, 2^{3663345777671} is an apocalyptic number.

3663345777671 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3663345777671 is a deficient number, since it is larger than the sum of its proper divisors (490266930169).

3663345777671 is a wasteful number, since it uses less digits than its factorization.

3663345777671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270417566.

The product of its digits is 280052640, while the sum is 65.

The spelling of 3663345777671 in words is "three trillion, six hundred sixty-three billion, three hundred forty-five million, seven hundred seventy-seven thousand, six hundred seventy-one".