306166606322231 has 4 divisors (see below), whose sum is σ = 306185520689832. Its totient is φ = 306147691954632.

The previous prime is 306166606322207. The next prime is 306166606322257. The reversal of 306166606322231 is 132223606661603.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306166606322231 is a prime.

It is a super-2 number, since 2×306166606322231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306166606322201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9457159520 + ... + 9457191893.

It is an arithmetic number, because the mean of its divisors is an integer number (76546380172458).

Almost surely, 2^{306166606322231} is an apocalyptic number.

306166606322231 is a deficient number, since it is larger than the sum of its proper divisors (18914367601).

306166606322231 is a wasteful number, since it uses less digits than its factorization.

306166606322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914367600.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 306166606322231 in words is "three hundred six trillion, one hundred sixty-six billion, six hundred six million, three hundred twenty-two thousand, two hundred thirty-one".