66301611004432 has 20 divisors (see below), whose sum is σ = 129201911045100. Its totient is φ = 32959182347648.

The previous prime is 66301611004417. The next prime is 66301611004469. The reversal of 66301611004432 is 23440011610366.

It can be written as a sum of positive squares in 2 ways, for example, as 27826089201936 + 38475521802496 = 5275044^2 + 6202864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66301611004391 and 66301611004400.

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, 11976444307 + ... + 11976449842.

It is an arithmetic number, because the mean of its divisors is an integer number (6460095552255).

Almost surely, 2^{66301611004432} is an apocalyptic number.

It is an amenable number.

66301611004432 is a deficient number, since it is larger than the sum of its proper divisors (62900300040668).

66301611004432 is a wasteful number, since it uses less digits than its factorization.

66301611004432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23952894330 (or 23952894324 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 66301611004432 its reverse (23440011610366), we get a palindrome (89741622614798).

The spelling of 66301611004432 in words is "sixty-six trillion, three hundred one billion, six hundred eleven million, four thousand, four hundred thirty-two".