6164664847 has 4 divisors (see below), whose sum is σ = 6725088936. Its totient is φ = 5604240760.

The previous prime is 6164664827. The next prime is 6164664853. The reversal of 6164664847 is 7484664616.

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

It is a cyclic number.

It is not a de Polignac number, because 6164664847 - 2¹¹ = 6164662799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6164664794 and 6164664803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6164664827) 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, 280212028 + ... + 280212049.

It is an arithmetic number, because the mean of its divisors is an integer number (1681272234).

Almost surely, 2^6164664847 is an apocalyptic number.

6164664847 is a deficient number, since it is larger than the sum of its proper divisors (560424089).

6164664847 is a wasteful number, since it uses less digits than its factorization.

6164664847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560424088.

The product of its digits is 4644864, while the sum is 52.

The square root of 6164664847 is about 78515.3796844924. The cubic root of 6164664847 is about 1833.5939055489.

The spelling of 6164664847 in words is "six billion, one hundred sixty-four million, six hundred sixty-four thousand, eight hundred forty-seven".