63602216665066 has 8 divisors (see below), whose sum is σ = 95409540648900. Its totient is φ = 31799036448768.

The previous prime is 63602216665061. The next prime is 63602216665069. The reversal of 63602216665066 is 66056661220636.

It can be written as a sum of positive squares in 2 ways, for example, as 63079891021225 + 522325643841 = 7942285^2 + 722721^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 63602216664998 and 63602216665016.

It is not an unprimeable number, because it can be changed into a prime (63602216665061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035903511 + ... + 1035964906.

Almost surely, 2^{63602216665066} is an apocalyptic number.

63602216665066 is a deficient number, since it is larger than the sum of its proper divisors (31807323983834).

63602216665066 is a wasteful number, since it uses less digits than its factorization.

63602216665066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071883768.

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 63602216665066 in words is "sixty-three trillion, six hundred two billion, two hundred sixteen million, six hundred sixty-five thousand, sixty-six".