3668563806562 has 16 divisors (see below), whose sum is σ = 5526384566400. Its totient is φ = 1826437047120.

The previous prime is 3668563806559. The next prime is 3668563806563. The reversal of 3668563806562 is 2656083658663.

It is a junction number, because it is equal to n+sod(n) for n = 3668563806494 and 3668563806503.

It is not an unprimeable number, because it can be changed into a prime (3668563806563) 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, 4862737 + ... + 5566267.

It is an arithmetic number, because the mean of its divisors is an integer number (345399035400).

Almost surely, 2^{3668563806562} is an apocalyptic number.

3668563806562 is a deficient number, since it is larger than the sum of its proper divisors (1857820759838).

3668563806562 is a wasteful number, since it uses less digits than its factorization.

3668563806562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714681.

The product of its (nonzero) digits is 223948800, while the sum is 64.

The spelling of 3668563806562 in words is "three trillion, six hundred sixty-eight billion, five hundred sixty-three million, eight hundred six thousand, five hundred sixty-two".