1660560497071 has 8 divisors (see below), whose sum is σ = 1900089365504. Its totient is φ = 1421608113720.

The previous prime is 1660560497059. The next prime is 1660560497083. The reversal of 1660560497071 is 1707940650661.

It is an interprime number because it is at equal distance from previous prime (1660560497059) and next prime (1660560497083).

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

It is a cyclic number.

It is not a de Polignac number, because 1660560497071 - 2¹³ = 1660560488879 is a prime.

It is a super-2 number, since 2×1660560497071² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660560497051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144115095 + ... + 144126616.

It is an arithmetic number, because the mean of its divisors is an integer number (237511170688).

Almost surely, 2^{1660560497071} is an apocalyptic number.

1660560497071 is a deficient number, since it is larger than the sum of its proper divisors (239528868433).

1660560497071 is an equidigital number, since it uses as much as digits as its factorization.

1660560497071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288242541.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 1660560497071 in words is "one trillion, six hundred sixty billion, five hundred sixty million, four hundred ninety-seven thousand, seventy-one".