1682566991044 has 27 divisors (see below), whose sum is σ = 3014761154223. Its totient is φ = 821664283272.

The previous prime is 1682566991023. The next prime is 1682566991051. The reversal of 1682566991044 is 4401996652861.

It is a happy number.

The square root of 1682566991044 is 1297138.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 111546327 + ... + 111561409.

Almost surely, 2^{1682566991044} is an apocalyptic number.

1682566991044 is the 1297138-th square number.

It is an amenable number.

1682566991044 is a deficient number, since it is larger than the sum of its proper divisors (1332194163179).

1682566991044 is an frugal number, since it uses more digits than its factorization.

1682566991044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30256 (or 15128 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 1682566991044 in words is "one trillion, six hundred eighty-two billion, five hundred sixty-six million, nine hundred ninety-one thousand, forty-four".