16686310963 has 16 divisors (see below), whose sum is σ = 19963247616. Its totient is φ = 13636671840.

The previous prime is 16686310943. The next prime is 16686310969. The reversal of 16686310963 is 36901368661.

It is a cyclic number.

It is not a de Polignac number, because 16686310963 - 2⁹ = 16686310451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16686310969) 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, 116556 + ... + 216697.

It is an arithmetic number, because the mean of its divisors is an integer number (1247702976).

Almost surely, 2^16686310963 is an apocalyptic number.

16686310963 is a deficient number, since it is larger than the sum of its proper divisors (3276936653).

16686310963 is a wasteful number, since it uses less digits than its factorization.

16686310963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333594.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 16686310963 in words is "sixteen billion, six hundred eighty-six million, three hundred ten thousand, nine hundred sixty-three".