16816871235 has 16 divisors (see below), whose sum is σ = 26915778720. Its totient is φ = 8966069760.

The previous prime is 16816871213. The next prime is 16816871249. The reversal of 16816871235 is 53217861861.

It is not a de Polignac number, because 16816871235 - 2¹¹ = 16816869187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135136 + ... + 227805.

It is an arithmetic number, because the mean of its divisors is an integer number (1682236170).

Almost surely, 2^16816871235 is an apocalyptic number.

16816871235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16816871235 is a deficient number, since it is larger than the sum of its proper divisors (10098907485).

16816871235 is a wasteful number, since it uses less digits than its factorization.

16816871235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366038.

The product of its digits is 483840, while the sum is 48.

The spelling of 16816871235 in words is "sixteen billion, eight hundred sixteen million, eight hundred seventy-one thousand, two hundred thirty-five".