109963865663 has 16 divisors (see below), whose sum is σ = 119697945600. Its totient is φ = 100636395840.

The previous prime is 109963865597. The next prime is 109963865677. The reversal of 109963865663 is 366568369901.

It is a Cunningham number, because it is equal to 331608²-1.

It is a cyclic number.

It is not a de Polignac number, because 109963865663 - 2²² = 109959671359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109963865596 and 109963865605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109963865863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165803 + ... + 497411.

It is an arithmetic number, because the mean of its divisors is an integer number (7481121600).

Almost surely, 2^109963865663 is an apocalyptic number.

109963865663 is a deficient number, since it is larger than the sum of its proper divisors (9734079937).

109963865663 is a wasteful number, since it uses less digits than its factorization.

109963865663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332222.

The product of its (nonzero) digits is 37791360, while the sum is 62.

The spelling of 109963865663 in words is "one hundred nine billion, nine hundred sixty-three million, eight hundred sixty-five thousand, six hundred sixty-three".