3566320366721 has 8 divisors (see below), whose sum is σ = 4170580628544. Its totient is φ = 2985756585840.

The previous prime is 3566320366627. The next prime is 3566320366747. The reversal of 3566320366721 is 1276630236653.

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

It is not a de Polignac number, because 3566320366721 - 2¹⁴ = 3566320350337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3566320366721.

It is not an unprimeable number, because it can be changed into a prime (3566320386721) 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, 5924119910 + ... + 5924120511.

It is an arithmetic number, because the mean of its divisors is an integer number (521322578568).

Almost surely, 2^{3566320366721} is an apocalyptic number.

It is an amenable number.

3566320366721 is a deficient number, since it is larger than the sum of its proper divisors (604260261823).

3566320366721 is a wasteful number, since it uses less digits than its factorization.

3566320366721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848240471.

The product of its (nonzero) digits is 4898880, while the sum is 50.

The spelling of 3566320366721 in words is "three trillion, five hundred sixty-six billion, three hundred twenty million, three hundred sixty-six thousand, seven hundred twenty-one".