16817386963 has 16 divisors (see below), whose sum is σ = 18452498400. Its totient is φ = 15232043520.

The previous prime is 16817386919. The next prime is 16817386967. The reversal of 16817386963 is 36968371861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16817386963 - 2¹³ = 16817378771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16817386898 and 16817386907.

It is not an unprimeable number, because it can be changed into a prime (16817386967) 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, 394683 + ... + 435211.

It is an arithmetic number, because the mean of its divisors is an integer number (1153281150).

Almost surely, 2^16817386963 is an apocalyptic number.

16817386963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16817386963 is a deficient number, since it is larger than the sum of its proper divisors (1635111437).

16817386963 is a wasteful number, since it uses less digits than its factorization.

16817386963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41142.

The product of its digits is 7838208, while the sum is 58.

The spelling of 16817386963 in words is "sixteen billion, eight hundred seventeen million, three hundred eighty-six thousand, nine hundred sixty-three".