16417470847 has 4 divisors (see below), whose sum is σ = 17281548280. Its totient is φ = 15553393416.

The previous prime is 16417470829. The next prime is 16417470859. The reversal of 16417470847 is 74807471461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74807471461 = 37 ⋅2021823553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16417470847 is a prime.

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 16417470847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16417470247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432038688 + ... + 432038725.

It is an arithmetic number, because the mean of its divisors is an integer number (4320387070).

Almost surely, 2^16417470847 is an apocalyptic number.

16417470847 is a deficient number, since it is larger than the sum of its proper divisors (864077433).

16417470847 is an equidigital number, since it uses as much as digits as its factorization.

16417470847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864077432.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 16417470847 in words is "sixteen billion, four hundred seventeen million, four hundred seventy thousand, eight hundred forty-seven".