305421203351164 has 12 divisors (see below), whose sum is σ = 534487319577288. Its totient is φ = 152710540614800.

The previous prime is 305421203351141. The next prime is 305421203351203. The reversal of 305421203351164 is 461153302124503.

It is a super-2 number, since 2×305421203351164² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897527 + ... + 24884494.

It is an arithmetic number, because the mean of its divisors is an integer number (44540609964774).

Almost surely, 2^{305421203351164} is an apocalyptic number.

It is an amenable number.

305421203351164 is a deficient number, since it is larger than the sum of its proper divisors (229066116226124).

305421203351164 is a wasteful number, since it uses less digits than its factorization.

305421203351164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530396 (or 30530394 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 305421203351164 its reverse (461153302124503), we get a palindrome (766574505475667).

The spelling of 305421203351164 in words is "three hundred five trillion, four hundred twenty-one billion, two hundred three million, three hundred fifty-one thousand, one hundred sixty-four".