660275567042 has 24 divisors (see below), whose sum is σ = 1225667920896. Its totient is φ = 261207915696.

The previous prime is 660275567033. The next prime is 660275567053. The reversal of 660275567042 is 240765572066.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 139531778 + ... + 139536509.

It is an arithmetic number, because the mean of its divisors is an integer number (51069496704).

Almost surely, 2^660275567042 is an apocalyptic number.

660275567042 is a deficient number, since it is larger than the sum of its proper divisors (565392353854).

660275567042 is a wasteful number, since it uses less digits than its factorization.

660275567042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279068322 (or 279068309 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 660275567042 in words is "six hundred sixty billion, two hundred seventy-five million, five hundred sixty-seven thousand, forty-two".