6681650103 has 6 divisors (see below), whose sum is σ = 9651272384. Its totient is φ = 4454433396.

The previous prime is 6681650099. The next prime is 6681650123. The reversal of 6681650103 is 3010561866.

It is a happy number.

It is not a de Polignac number, because 6681650103 - 2² = 6681650099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681650123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371202775 + ... + 371202792.

Almost surely, 2^6681650103 is an apocalyptic number.

6681650103 is a deficient number, since it is larger than the sum of its proper divisors (2969622281).

6681650103 is a wasteful number, since it uses less digits than its factorization.

6681650103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742405573 (or 742405570 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 6681650103 is about 81741.3610297749. The cubic root of 6681650103 is about 1883.4809980929.

The spelling of 6681650103 in words is "six billion, six hundred eighty-one million, six hundred fifty thousand, one hundred three".