66630874522 has 8 divisors (see below), whose sum is σ = 99952675776. Its totient is φ = 33313315932.

The previous prime is 66630874511. The next prime is 66630874523. The reversal of 66630874522 is 22547803666.

66630874522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66630874523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021108 + ... + 1084399.

It is an arithmetic number, because the mean of its divisors is an integer number (12494084472).

Almost surely, 2^66630874522 is an apocalyptic number.

66630874522 is a deficient number, since it is larger than the sum of its proper divisors (33321801254).

66630874522 is a wasteful number, since it uses less digits than its factorization.

66630874522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121332.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 66630874522 in words is "sixty-six billion, six hundred thirty million, eight hundred seventy-four thousand, five hundred twenty-two".