66572671210 has 8 divisors (see below), whose sum is σ = 119830808196. Its totient is φ = 26629068480.

The previous prime is 66572671201. The next prime is 66572671223. The reversal of 66572671210 is 1217627566.

It can be written as a sum of positive squares in 2 ways, for example, as 61785553489 + 4787117721 = 248567^2 + 69189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328633551 + ... + 3328633570.

Almost surely, 2^66572671210 is an apocalyptic number.

66572671210 is a deficient number, since it is larger than the sum of its proper divisors (53258136986).

66572671210 is a wasteful number, since it uses less digits than its factorization.

66572671210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657267128.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 66572671210 in words is "sixty-six billion, five hundred seventy-two million, six hundred seventy-one thousand, two hundred ten".