16905876663 has 16 divisors (see below), whose sum is σ = 24567580800. Its totient is φ = 10278269664.

The previous prime is 16905876649. The next prime is 16905876671. The reversal of 16905876663 is 36667850961.

It is not a de Polignac number, because 16905876663 - 2¹⁰ = 16905875639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16905876643) 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, 2608113 + ... + 2614586.

It is an arithmetic number, because the mean of its divisors is an integer number (1535473800).

Almost surely, 2^16905876663 is an apocalyptic number.

16905876663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16905876663 is a deficient number, since it is larger than the sum of its proper divisors (7661704137).

16905876663 is a wasteful number, since it uses less digits than its factorization.

16905876663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222798.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 16905876663 in words is "sixteen billion, nine hundred five million, eight hundred seventy-six thousand, six hundred sixty-three".