6601540116002 has 32 divisors (see below), whose sum is σ = 10688519948400. Its totient is φ = 3039867952128.

The previous prime is 6601540115861. The next prime is 6601540116007. The reversal of 6601540116002 is 2006110451066.

It can be written as a sum of positive squares in 8 ways, for example, as 2668652227201 + 3932887888801 = 1633601^2 + 1983151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6601540116002.

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, 135062024 + ... + 135110892.

Almost surely, 2^{6601540116002} is an apocalyptic number.

6601540116002 is a deficient number, since it is larger than the sum of its proper divisors (4086979832398).

6601540116002 is a wasteful number, since it uses less digits than its factorization.

6601540116002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60710.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 6601540116002 its reverse (2006110451066), we get a palindrome (8607650567068).

The spelling of 6601540116002 in words is "six trillion, six hundred one billion, five hundred forty million, one hundred sixteen thousand, two".