6511010066 has 16 divisors (see below), whose sum is σ = 10656949248. Its totient is φ = 2958836400.

The previous prime is 6511010059. The next prime is 6511010069. The reversal of 6511010066 is 6600101156.

It is not an unprimeable number, because it can be changed into a prime (6511010069) 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, 63791 + ... + 130733.

It is an arithmetic number, because the mean of its divisors is an integer number (666059328).

Almost surely, 2^6511010066 is an apocalyptic number.

6511010066 is a deficient number, since it is larger than the sum of its proper divisors (4145939182).

6511010066 is a wasteful number, since it uses less digits than its factorization.

6511010066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71377.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6511010066 is about 80690.8301233790. The cubic root of 6511010066 is about 1867.3087069439.

The spelling of 6511010066 in words is "six billion, five hundred eleven million, ten thousand, sixty-six".