6985664367 has 16 divisors (see below), whose sum is σ = 10185121920. Its totient is φ = 4223671200.

The previous prime is 6985664347. The next prime is 6985664377. The reversal of 6985664367 is 7634665896.

It is not a de Polignac number, because 6985664367 - 2¹¹ = 6985662319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6985664367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985664347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237517 + ... + 265302.

It is an arithmetic number, because the mean of its divisors is an integer number (636570120).

Almost surely, 2^6985664367 is an apocalyptic number.

6985664367 is a deficient number, since it is larger than the sum of its proper divisors (3199457553).

6985664367 is a wasteful number, since it uses less digits than its factorization.

6985664367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503254.

The product of its digits is 39191040, while the sum is 60.

The square root of 6985664367 is about 83580.2869521277. The cubic root of 6985664367 is about 1911.6244293885.

The spelling of 6985664367 in words is "six billion, nine hundred eighty-five million, six hundred sixty-four thousand, three hundred sixty-seven".