660511115066 has 24 divisors (see below), whose sum is σ = 1091868083712. Its totient is φ = 299448386600.

The previous prime is 660511115059. The next prime is 660511115113.

660511115066 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3470480 + ... + 3655851.

It is an arithmetic number, because the mean of its divisors is an integer number (45494503488).

Almost surely, 2^660511115066 is an apocalyptic number.

660511115066 is a deficient number, since it is larger than the sum of its proper divisors (431356968646).

660511115066 is a wasteful number, since it uses less digits than its factorization.

660511115066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126738 (or 7126727 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

It can be divided in two parts, 660511 and 115066, that added together give a palindrome (775577).

The spelling of 660511115066 in words is "six hundred sixty billion, five hundred eleven million, one hundred fifteen thousand, sixty-six".