66552142124 has 12 divisors (see below), whose sum is σ = 125425191024. Its totient is φ = 30716373264.

The previous prime is 66552142109. The next prime is 66552142187. The reversal of 66552142124 is 42124125566.

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, 639924392 + ... + 639924495.

It is an arithmetic number, because the mean of its divisors is an integer number (10452099252).

Almost surely, 2^66552142124 is an apocalyptic number.

It is an amenable number.

66552142124 is a deficient number, since it is larger than the sum of its proper divisors (58873048900).

66552142124 is a wasteful number, since it uses less digits than its factorization.

66552142124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279848904 (or 1279848902 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 66552142124 in words is "sixty-six billion, five hundred fifty-two million, one hundred forty-two thousand, one hundred twenty-four".