1660710120617 has 8 divisors (see below), whose sum is σ = 1691705774880. Its totient is φ = 1629809400640.

The previous prime is 1660710120533. The next prime is 1660710120623. The reversal of 1660710120617 is 7160210170661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1660710120617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660710120647) by changing a digit.

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, 23698259 + ... + 23768232.

It is an arithmetic number, because the mean of its divisors is an integer number (211463221860).

Almost surely, 2^{1660710120617} is an apocalyptic number.

It is an amenable number.

1660710120617 is a deficient number, since it is larger than the sum of its proper divisors (30995654263).

1660710120617 is an equidigital number, since it uses as much as digits as its factorization.

1660710120617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47467143.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 1660710120617 in words is "one trillion, six hundred sixty billion, seven hundred ten million, one hundred twenty thousand, six hundred seventeen".