1660309353712 has 40 divisors (see below), whose sum is σ = 3305402917856. Its totient is φ = 807324039936.

The previous prime is 1660309353709. The next prime is 1660309353727. The reversal of 1660309353712 is 2173539030661.

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, 532333 + ... + 1898419.

Almost surely, 2^{1660309353712} is an apocalyptic number.

It is an amenable number.

1660309353712 is a deficient number, since it is larger than the sum of its proper divisors (1645093564144).

1660309353712 is a wasteful number, since it uses less digits than its factorization.

1660309353712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368185 (or 1368179 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 1660309353712 in words is "one trillion, six hundred sixty billion, three hundred nine million, three hundred fifty-three thousand, seven hundred twelve".