6640004103 has 8 divisors (see below), whose sum is σ = 8855721600. Its totient is φ = 4425478008.

The previous prime is 6640004099. The next prime is 6640004131. The reversal of 6640004103 is 3014000466.

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

It is not a de Polignac number, because 6640004103 - 2² = 6640004099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6640004183) 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, 284763 + ... + 307196.

It is an arithmetic number, because the mean of its divisors is an integer number (1106965200).

Almost surely, 2^6640004103 is an apocalyptic number.

6640004103 is a deficient number, since it is larger than the sum of its proper divisors (2215717497).

6640004103 is a wasteful number, since it uses less digits than its factorization.

6640004103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595701.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6640004103 is about 81486.2203258931. The cubic root of 6640004103 is about 1879.5596621307.

Adding to 6640004103 its reverse (3014000466), we get a palindrome (9654004569).

The spelling of 6640004103 in words is "six billion, six hundred forty million, four thousand, one hundred three".