66006767675210 has 64 divisors (see below), whose sum is σ = 123892466187168. Its totient is φ = 25298127360000.

The previous prime is 66006767675207. The next prime is 66006767675227. The reversal of 66006767675210 is 1257676760066.

It can be written as a sum of positive squares in 16 ways, for example, as 1523025023881 + 64483742651329 = 1234109^2 + 8030177^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66006767675210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14535230 + ... + 18527990.

Almost surely, 2^{66006767675210} is an apocalyptic number.

66006767675210 is a deficient number, since it is larger than the sum of its proper divisors (57885698511958).

66006767675210 is a wasteful number, since it uses less digits than its factorization.

66006767675210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993531.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 66006767675210 in words is "sixty-six trillion, six billion, seven hundred sixty-seven million, six hundred seventy-five thousand, two hundred ten".