3663776544071 has 12 divisors (see below), whose sum is σ = 4277330238888. Its totient is φ = 3129042771792.

The previous prime is 3663776544031. The next prime is 3663776544089. The reversal of 3663776544071 is 1704456773663.

It is a happy number.

It is not a de Polignac number, because 3663776544071 - 2¹⁸ = 3663776281927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3663776544071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663776544011) 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, 134952041 + ... + 134979186.

It is an arithmetic number, because the mean of its divisors is an integer number (356444186574).

Almost surely, 2^{3663776544071} is an apocalyptic number.

3663776544071 is a deficient number, since it is larger than the sum of its proper divisors (613553694817).

3663776544071 is a wasteful number, since it uses less digits than its factorization.

3663776544071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269931518 (or 269931511 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 59.

The spelling of 3663776544071 in words is "three trillion, six hundred sixty-three billion, seven hundred seventy-six million, five hundred forty-four thousand, seventy-one".