3682661395565 has 16 divisors (see below), whose sum is σ = 4595514670080. Its totient is φ = 2829645564480.

The previous prime is 3682661395547. The next prime is 3682661395571. The reversal of 3682661395565 is 5655931662863.

It is not a de Polignac number, because 3682661395565 - 2¹⁰ = 3682661394541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66458339 + ... + 66513728.

It is an arithmetic number, because the mean of its divisors is an integer number (287219666880).

Almost surely, 2^{3682661395565} is an apocalyptic number.

It is an amenable number.

3682661395565 is a deficient number, since it is larger than the sum of its proper divisors (912853274515).

3682661395565 is a wasteful number, since it uses less digits than its factorization.

3682661395565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132972292.

The product of its digits is 209952000, while the sum is 65.

The spelling of 3682661395565 in words is "three trillion, six hundred eighty-two billion, six hundred sixty-one million, three hundred ninety-five thousand, five hundred sixty-five".