1720506622116 has 24 divisors (see below), whose sum is σ = 4016011805344. Its totient is φ = 573288442560.

The previous prime is 1720506622097. The next prime is 1720506622187. The reversal of 1720506622116 is 6112266050271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26687065 + ... + 26751456.

Almost surely, 2^{1720506622116} is an apocalyptic number.

It is an amenable number.

1720506622116 is an abundant number, since it is smaller than the sum of its proper divisors (2295505183228).

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

1720506622116 is a wasteful number, since it uses less digits than its factorization.

1720506622116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53441211 (or 53441209 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 1720506622116 in words is "one trillion, seven hundred twenty billion, five hundred six million, six hundred twenty-two thousand, one hundred sixteen".