3166730506321 has 4 divisors (see below), whose sum is σ = 3174871202100. Its totient is φ = 3158589810544.

The previous prime is 3166730506283. The next prime is 3166730506327. The reversal of 3166730506321 is 1236050376613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1339667353600 + 1827063152721 = 1157440^2 + 1351689^2 .

It is a cyclic number.

It is not a de Polignac number, because 3166730506321 - 2¹⁵ = 3166730473553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3166730506327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070347306 + ... + 4070348083.

It is an arithmetic number, because the mean of its divisors is an integer number (793717800525).

Almost surely, 2^{3166730506321} is an apocalyptic number.

It is an amenable number.

3166730506321 is a deficient number, since it is larger than the sum of its proper divisors (8140695779).

3166730506321 is an equidigital number, since it uses as much as digits as its factorization.

3166730506321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140695778.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 3166730506321 in words is "three trillion, one hundred sixty-six billion, seven hundred thirty million, five hundred six thousand, three hundred twenty-one".