16385715471 has 8 divisors (see below), whose sum is σ = 21892484224. Its totient is φ = 10901378520.

The previous prime is 16385715449. The next prime is 16385715491. The reversal of 16385715471 is 17451758361.

16385715471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16385715471 - 2¹⁰ = 16385714447 is a prime.

It is a super-3 number, since 3×16385715471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16385715471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16385715431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606245 + ... + 5609166.

It is an arithmetic number, because the mean of its divisors is an integer number (2736560528).

Almost surely, 2^16385715471 is an apocalyptic number.

16385715471 is a deficient number, since it is larger than the sum of its proper divisors (5506768753).

16385715471 is a wasteful number, since it uses less digits than its factorization.

16385715471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215901.

The product of its digits is 705600, while the sum is 48.

The spelling of 16385715471 in words is "sixteen billion, three hundred eighty-five million, seven hundred fifteen thousand, four hundred seventy-one".