16117695471 has 4 divisors (see below), whose sum is σ = 21490260632. Its totient is φ = 10745130312.

The previous prime is 16117695439. The next prime is 16117695481. The reversal of 16117695471 is 17459671161.

16117695471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16117695471 - 2⁵ = 16117695439 is a prime.

It is a super-3 number, since 3×16117695471³ (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 16117695471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16117695401) 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 3 ways as a sum of consecutive naturals, for example, 2686282576 + ... + 2686282581.

It is an arithmetic number, because the mean of its divisors is an integer number (5372565158).

Almost surely, 2^16117695471 is an apocalyptic number.

16117695471 is a deficient number, since it is larger than the sum of its proper divisors (5372565161).

16117695471 is an equidigital number, since it uses as much as digits as its factorization.

16117695471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372565160.

The product of its digits is 317520, while the sum is 48.

The spelling of 16117695471 in words is "sixteen billion, one hundred seventeen million, six hundred ninety-five thousand, four hundred seventy-one".