3120760066 has 4 divisors (see below), whose sum is σ = 4681140102. Its totient is φ = 1560380032.

The previous prime is 3120760043. The next prime is 3120760067. The reversal of 3120760066 is 6600670213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6600670213 = 239 ⋅27617867.

It can be written as a sum of positive squares in only one way, i.e., 3080805025 + 39955041 = 55505^2 + 6321^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3120760067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780190015 + ... + 780190018.

Almost surely, 2^3120760066 is an apocalyptic number.

3120760066 is a deficient number, since it is larger than the sum of its proper divisors (1560380036).

3120760066 is a wasteful number, since it uses less digits than its factorization.

3120760066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560380035.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 3120760066 is about 55863.7634428616. The cubic root of 3120760066 is about 1461.3473622580.

The spelling of 3120760066 in words is "three billion, one hundred twenty million, seven hundred sixty thousand, sixty-six".