1720651260160 has 864 divisors, whose sum is σ = 5325739130880. Its totient is φ = 528817766400.

The previous prime is 1720651260151. The next prime is 1720651260247. The reversal of 1720651260160 is 610621560271.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1736277265 + ... + 1736278255.

It is an arithmetic number, because the mean of its divisors is an integer number (6164049920).

Almost surely, 2^{1720651260160} is an apocalyptic number.

1720651260160 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 1720651260160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662869565440).

1720651260160 is an abundant number, since it is smaller than the sum of its proper divisors (3605087870720).

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

1720651260160 is a wasteful number, since it uses less digits than its factorization.

1720651260160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1720651260160 in words is "one trillion, seven hundred twenty billion, six hundred fifty-one million, two hundred sixty thousand, one hundred sixty".