663620163101 has 8 divisors (see below), whose sum is σ = 760861705344. Its totient is φ = 566988286320.

The previous prime is 663620163053. The next prime is 663620163161. The reversal of 663620163101 is 101361026366.

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

It is a cyclic number.

It is not a de Polignac number, because 663620163101 - 2¹⁰ = 663620162077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663620163161) 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 7 ways as a sum of consecutive naturals, for example, 152414030 + ... + 152418383.

It is an arithmetic number, because the mean of its divisors is an integer number (95107713168).

Almost surely, 2^663620163101 is an apocalyptic number.

It is an amenable number.

663620163101 is a deficient number, since it is larger than the sum of its proper divisors (97241542243).

663620163101 is a wasteful number, since it uses less digits than its factorization.

663620163101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304832731.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 663620163101 its reverse (101361026366), we get a palindrome (764981189467).

The spelling of 663620163101 in words is "six hundred sixty-three billion, six hundred twenty million, one hundred sixty-three thousand, one hundred one".