6607540136 has 32 divisors (see below), whose sum is σ = 12932524800. Its totient is φ = 3161262720.

The previous prime is 6607540133. The next prime is 6607540153. The reversal of 6607540136 is 6310457066.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6607540136.

It is not an unprimeable number, because it can be changed into a prime (6607540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127610 + ... + 171753.

It is an arithmetic number, because the mean of its divisors is an integer number (404141400).

Almost surely, 2^6607540136 is an apocalyptic number.

It is an amenable number.

6607540136 is a deficient number, since it is larger than the sum of its proper divisors (6324984664).

6607540136 is a wasteful number, since it uses less digits than its factorization.

6607540136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299489 (or 299485 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 6607540136 is about 81286.7771288787. Note that the first 3 decimals coincide. The cubic root of 6607540136 is about 1876.4915076111.

The spelling of 6607540136 in words is "six billion, six hundred seven million, five hundred forty thousand, one hundred thirty-six".