6681650104 has 8 divisors (see below), whose sum is σ = 12528093960. Its totient is φ = 3340825048.

The previous prime is 6681650099. The next prime is 6681650123. The reversal of 6681650104 is 4010561866.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6681650104² = 89288896224566421632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) 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 polite number, since it can be written as a sum of consecutive naturals, namely, 417603124 + ... + 417603139.

It is an arithmetic number, because the mean of its divisors is an integer number (1566011745).

Almost surely, 2^6681650104 is an apocalyptic number.

It is an amenable number.

6681650104 is a deficient number, since it is larger than the sum of its proper divisors (5846443856).

6681650104 is a wasteful number, since it uses less digits than its factorization.

6681650104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835206269 (or 835206265 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 6681650104 is about 81741.3610358917. The cubic root of 6681650104 is about 1883.4809981868.

The spelling of 6681650104 in words is "six billion, six hundred eighty-one million, six hundred fifty thousand, one hundred four".