6816658108 has 12 divisors (see below), whose sum is σ = 12846778840. Its totient is φ = 3146149872.

The previous prime is 6816658091. The next prime is 6816658159. The reversal of 6816658108 is 8018566186.

It is a super-2 number, since 2×6816658108² = 92933655522724279328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65544738 + ... + 65544841.

Almost surely, 2^6816658108 is an apocalyptic number.

It is an amenable number.

6816658108 is a deficient number, since it is larger than the sum of its proper divisors (6030120732).

6816658108 is a wasteful number, since it uses less digits than its factorization.

6816658108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131089596 (or 131089594 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 6816658108 is about 82563.0553455963. The cubic root of 6816658108 is about 1896.0822419031.

The spelling of 6816658108 in words is "six billion, eight hundred sixteen million, six hundred fifty-eight thousand, one hundred eight".