6985531366 has 16 divisors (see below), whose sum is σ = 11435573520. Its totient is φ = 3173934880.

The previous prime is 6985531363. The next prime is 6985531367. The reversal of 6985531366 is 6631355896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985531361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9601 + ... + 118588.

It is an arithmetic number, because the mean of its divisors is an integer number (714723345).

Almost surely, 2^6985531366 is an apocalyptic number.

6985531366 is a deficient number, since it is larger than the sum of its proper divisors (4450042154).

6985531366 is a wasteful number, since it uses less digits than its factorization.

6985531366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130679.

The product of its digits is 3499200, while the sum is 52.

The square root of 6985531366 is about 83579.4913001988. The cubic root of 6985531366 is about 1911.6122974203.

The spelling of 6985531366 in words is "six billion, nine hundred eighty-five million, five hundred thirty-one thousand, three hundred sixty-six".