6688100083 has 4 divisors (see below), whose sum is σ = 7643542960. Its totient is φ = 5732657208.

The previous prime is 6688100039. The next prime is 6688100087. The reversal of 6688100083 is 3800018866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6688100083 - 2²¹ = 6686002931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6688100087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477721428 + ... + 477721441.

It is an arithmetic number, because the mean of its divisors is an integer number (1910885740).

Almost surely, 2^6688100083 is an apocalyptic number.

6688100083 is a deficient number, since it is larger than the sum of its proper divisors (955442877).

6688100083 is an equidigital number, since it uses as much as digits as its factorization.

6688100083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955442876.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 6688100083 is about 81780.8051011972. The cubic root of 6688100083 is about 1884.0868617947.

The spelling of 6688100083 in words is "six billion, six hundred eighty-eight million, one hundred thousand, eighty-three".