30605302066 has 16 divisors (see below), whose sum is σ = 46470068064. Its totient is φ = 15115883904.

The previous prime is 30605302019. The next prime is 30605302067. The reversal of 30605302066 is 66020350603.

It is a super-2 number, since 2×30605302066² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30605302067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49360 + ... + 252283.

It is an arithmetic number, because the mean of its divisors is an integer number (2904379254).

Almost surely, 2^30605302066 is an apocalyptic number.

30605302066 is a deficient number, since it is larger than the sum of its proper divisors (15864765998).

30605302066 is a wasteful number, since it uses less digits than its factorization.

30605302066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302265.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 30605302066 its reverse (66020350603), we get a palindrome (96625652669).

The spelling of 30605302066 in words is "thirty billion, six hundred five million, three hundred two thousand, sixty-six".