6606540103 has 4 divisors (see below), whose sum is σ = 6954252760. Its totient is φ = 6258827448.

The previous prime is 6606540097. The next prime is 6606540133. The reversal of 6606540103 is 3010456066.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6606540103 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 (6606540133) 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, 173856300 + ... + 173856337.

It is an arithmetic number, because the mean of its divisors is an integer number (1738563190).

Almost surely, 2^6606540103 is an apocalyptic number.

6606540103 is a deficient number, since it is larger than the sum of its proper divisors (347712657).

6606540103 is a wasteful number, since it uses less digits than its factorization.

6606540103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347712656.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6606540103 is about 81280.6256312044. The cubic root of 6606540103 is about 1876.3968355611.

Adding to 6606540103 its reverse (3010456066), we get a palindrome (9616996169).

The spelling of 6606540103 in words is "six billion, six hundred six million, five hundred forty thousand, one hundred three".