66927302170 has 8 divisors (see below), whose sum is σ = 120469143924. Its totient is φ = 26770920864.

The previous prime is 66927302149. The next prime is 66927302171. The reversal of 66927302170 is 7120372966.

It can be written as a sum of positive squares in 2 ways, for example, as 66405682249 + 521619921 = 257693^2 + 22839^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66927302171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346365099 + ... + 3346365118.

Almost surely, 2^66927302170 is an apocalyptic number.

66927302170 is a deficient number, since it is larger than the sum of its proper divisors (53541841754).

66927302170 is a wasteful number, since it uses less digits than its factorization.

66927302170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692730224.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 66927302170 in words is "sixty-six billion, nine hundred twenty-seven million, three hundred two thousand, one hundred seventy".