10321316642663 has 16 divisors (see below), whose sum is σ = 11152871545536. Its totient is φ = 9495188478720.

The previous prime is 10321316642647. The next prime is 10321316642677. The reversal of 10321316642663 is 36624661312301.

It is a cyclic number.

It is not a de Polignac number, because 10321316642663 - 2⁴ = 10321316642647 is a prime.

It is a super-2 number, since 2×10321316642663² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321316642603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3439595 + ... + 5698547.

It is an arithmetic number, because the mean of its divisors is an integer number (697054471596).

Almost surely, 2^{10321316642663} is an apocalyptic number.

10321316642663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10321316642663 is a deficient number, since it is larger than the sum of its proper divisors (831554902873).

10321316642663 is a wasteful number, since it uses less digits than its factorization.

10321316642663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260154.

The product of its (nonzero) digits is 559872, while the sum is 44.

Adding to 10321316642663 its reverse (36624661312301), we get a palindrome (46945977954964).

The spelling of 10321316642663 in words is "ten trillion, three hundred twenty-one billion, three hundred sixteen million, six hundred forty-two thousand, six hundred sixty-three".