1671244026560 has 112 divisors (see below), whose sum is σ = 4030275424320. Its totient is φ = 660030566400.

The previous prime is 1671244026523. The next prime is 1671244026563. The reversal of 1671244026560 is 656204421761.

It is not an unprimeable number, because it can be changed into a prime (1671244026563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11530862 + ... + 11674898.

Almost surely, 2^{1671244026560} is an apocalyptic number.

1671244026560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671244026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015137712160).

1671244026560 is an abundant number, since it is smaller than the sum of its proper divisors (2359031397760).

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

1671244026560 is a wasteful number, since it uses less digits than its factorization.

1671244026560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144514 (or 144504 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 1671244026560 in words is "one trillion, six hundred seventy-one billion, two hundred forty-four million, twenty-six thousand, five hundred sixty".