6601540116003 has 16 divisors (see below), whose sum is σ = 10082829597696. Its totient is φ = 3763556176320.

The previous prime is 6601540115861. The next prime is 6601540116007. The reversal of 6601540116003 is 3006110451066.

It is not a de Polignac number, because 6601540116003 - 2⁸ = 6601540115747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6601540116007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364676626 + ... + 364694727.

It is an arithmetic number, because the mean of its divisors is an integer number (630176849856).

Almost surely, 2^{6601540116003} is an apocalyptic number.

6601540116003 is a deficient number, since it is larger than the sum of its proper divisors (3481289481693).

6601540116003 is a wasteful number, since it uses less digits than its factorization.

6601540116003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729371794.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 6601540116003 its reverse (3006110451066), we get a palindrome (9607650567069).

The spelling of 6601540116003 in words is "six trillion, six hundred one billion, five hundred forty million, one hundred sixteen thousand, three".