66034025630 has 16 divisors (see below), whose sum is σ = 119019530304. Its totient is φ = 26378436000.

The previous prime is 66034025579. The next prime is 66034025663. The reversal of 66034025630 is 3652043066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4388897 + ... + 4403916.

It is an arithmetic number, because the mean of its divisors is an integer number (7438720644).

Almost surely, 2^66034025630 is an apocalyptic number.

66034025630 is a deficient number, since it is larger than the sum of its proper divisors (52985504674).

66034025630 is a wasteful number, since it uses less digits than its factorization.

66034025630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8793571.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 66034025630 its reverse (3652043066), we get a palindrome (69686068696).

The spelling of 66034025630 in words is "sixty-six billion, thirty-four million, twenty-five thousand, six hundred thirty".