1660431066204 has 12 divisors (see below), whose sum is σ = 3874339154504. Its totient is φ = 553477022064.

The previous prime is 1660431066149. The next prime is 1660431066257. The reversal of 1660431066204 is 4026601340661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69184627747 + ... + 69184627770.

Almost surely, 2^{1660431066204} is an apocalyptic number.

It is an amenable number.

1660431066204 is an abundant number, since it is smaller than the sum of its proper divisors (2213908088300).

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

1660431066204 is a wasteful number, since it uses less digits than its factorization.

1660431066204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138369255524 (or 138369255522 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 1660431066204 in words is "one trillion, six hundred sixty billion, four hundred thirty-one million, sixty-six thousand, two hundred four".