3306166321 has 4 divisors (see below), whose sum is σ = 3306281472. Its totient is φ = 3306051172.

The previous prime is 3306166319. The next prime is 3306166351. The reversal of 3306166321 is 1236616033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3306166321 - 2¹ = 3306166319 is a prime.

It is a super-2 number, since 2×3306166321² = 21861471484229350082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3306166351) 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, 24360 + ... + 84886.

It is an arithmetic number, because the mean of its divisors is an integer number (826570368).

Almost surely, 2^3306166321 is an apocalyptic number.

It is an amenable number.

3306166321 is a deficient number, since it is larger than the sum of its proper divisors (115151).

3306166321 is an equidigital number, since it uses as much as digits as its factorization.

3306166321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115150.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3306166321 is about 57499.2723519176. The cubic root of 3306166321 is about 1489.7322944418.

The spelling of 3306166321 in words is "three billion, three hundred six million, one hundred sixty-six thousand, three hundred twenty-one".