6646110099 has 8 divisors (see below), whose sum is σ = 8889435600. Its totient is φ = 4416762336.

The previous prime is 6646110043. The next prime is 6646110113. The reversal of 6646110099 is 9900116466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6646110099 - 2⁸ = 6646109843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6646110099.

It is not an unprimeable number, because it can be changed into a prime (6646110799) 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, 3493324 + ... + 3495225.

It is an arithmetic number, because the mean of its divisors is an integer number (1111179450).

Almost surely, 2^6646110099 is an apocalyptic number.

6646110099 is a deficient number, since it is larger than the sum of its proper divisors (2243325501).

6646110099 is a wasteful number, since it uses less digits than its factorization.

6646110099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988869.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 6646110099 is about 81523.6781493573. The cubic root of 6646110099 is about 1880.1356189890.

The spelling of 6646110099 in words is "six billion, six hundred forty-six million, one hundred ten thousand, ninety-nine".