1720651260248 has 16 divisors (see below), whose sum is σ = 3226319706480. Its totient is φ = 860299338528.

The previous prime is 1720651260247. The next prime is 1720651260277. The reversal of 1720651260248 is 8420621560271.

It is a junction number, because it is equal to n+sod(n) for n = 1720651260199 and 1720651260208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720651260247) by changing a digit.

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, 3006911 + ... + 3533102.

It is an arithmetic number, because the mean of its divisors is an integer number (201644981655).

Almost surely, 2^{1720651260248} is an apocalyptic number.

It is an amenable number.

1720651260248 is a deficient number, since it is larger than the sum of its proper divisors (1505668446232).

1720651260248 is a wasteful number, since it uses less digits than its factorization.

1720651260248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572906 (or 6572902 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 1720651260248 in words is "one trillion, seven hundred twenty billion, six hundred fifty-one million, two hundred sixty thousand, two hundred forty-eight".