63660502033 has 16 divisors (see below), whose sum is σ = 65604026880. Its totient is φ = 61729088256.

The previous prime is 63660501937. The next prime is 63660502051. The reversal of 63660502033 is 33020506636.

It is a cyclic number.

It is not a de Polignac number, because 63660502033 - 2²¹ = 63658404881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63660502033.

It is not an unprimeable number, because it can be changed into a prime (63660502133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16781785 + ... + 16785577.

It is an arithmetic number, because the mean of its divisors is an integer number (4100251680).

Almost surely, 2^63660502033 is an apocalyptic number.

It is an amenable number.

63660502033 is a deficient number, since it is larger than the sum of its proper divisors (1943524847).

63660502033 is a wasteful number, since it uses less digits than its factorization.

63660502033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256.

The product of its (nonzero) digits is 58320, while the sum is 34.

The spelling of 63660502033 in words is "sixty-three billion, six hundred sixty million, five hundred two thousand, thirty-three".