1660288275212 has 18 divisors (see below), whose sum is σ = 3379872560652. Its totient is φ = 711552117864.

The previous prime is 1660288275209. The next prime is 1660288275253. The reversal of 1660288275212 is 2125728820661.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4235429078 + ... + 4235429469.

It is an arithmetic number, because the mean of its divisors is an integer number (187770697814).

Almost surely, 2^{1660288275212} is an apocalyptic number.

It is an amenable number.

1660288275212 is an abundant number, since it is smaller than the sum of its proper divisors (1719584285440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1660288275212 is a wasteful number, since it uses less digits than its factorization.

1660288275212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470858565 (or 8470858556 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 1660288275212 in words is "one trillion, six hundred sixty billion, two hundred eighty-eight million, two hundred seventy-five thousand, two hundred twelve".