66302405412 has 24 divisors (see below), whose sum is σ = 154774771200. Its totient is φ = 22090922016.

The previous prime is 66302405369. The next prime is 66302405423. The reversal of 66302405412 is 21450420366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206987 + ... + 1260722.

It is an arithmetic number, because the mean of its divisors is an integer number (6448948800).

Almost surely, 2^66302405412 is an apocalyptic number.

It is an amenable number.

66302405412 is an abundant number, since it is smaller than the sum of its proper divisors (88472365788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66302405412 is a wasteful number, since it uses less digits than its factorization.

66302405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469955 (or 2469953 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 66302405412 its reverse (21450420366), we get a palindrome (87752825778).

The spelling of 66302405412 in words is "sixty-six billion, three hundred two million, four hundred five thousand, four hundred twelve".