16955216871 has 16 divisors (see below), whose sum is σ = 22824396000. Its totient is φ = 11194910720.

The previous prime is 16955216833. The next prime is 16955216881. The reversal of 16955216871 is 17861255961.

It is a cyclic number.

It is not a de Polignac number, because 16955216871 - 2⁷ = 16955216743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16955216881) 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, 443005 + ... + 479753.

It is an arithmetic number, because the mean of its divisors is an integer number (1426524750).

Almost surely, 2^16955216871 is an apocalyptic number.

16955216871 is a deficient number, since it is larger than the sum of its proper divisors (5869179129).

16955216871 is a wasteful number, since it uses less digits than its factorization.

16955216871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38226.

The product of its digits is 907200, while the sum is 51.

The spelling of 16955216871 in words is "sixteen billion, nine hundred fifty-five million, two hundred sixteen thousand, eight hundred seventy-one".