16471853905 has 8 divisors (see below), whose sum is σ = 21286703592. Its totient is φ = 12163830528.

The previous prime is 16471853837. The next prime is 16471853929. The reversal of 16471853905 is 50935817461.

It can be written as a sum of positive squares in 4 ways, for example, as 1925805456 + 14546048449 = 43884^2 + 120607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16471853905 - 2¹¹ = 16471851857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126706504 + ... + 126706633.

It is an arithmetic number, because the mean of its divisors is an integer number (2660837949).

Almost surely, 2^16471853905 is an apocalyptic number.

It is an amenable number.

16471853905 is a deficient number, since it is larger than the sum of its proper divisors (4814849687).

16471853905 is a wasteful number, since it uses less digits than its factorization.

16471853905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253413155.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 16471853905 in words is "sixteen billion, four hundred seventy-one million, eight hundred fifty-three thousand, nine hundred five".