1660502442371 has 2 divisors, whose sum is σ = 1660502442372. Its totient is φ = 1660502442370.

The previous prime is 1660502442317. The next prime is 1660502442407. The reversal of 1660502442371 is 1732442050661.

Together with previous prime (1660502442317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1660502442371 - 2⁶ = 1660502442307 is a prime.

It is a super-2 number, since 2×1660502442371² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1660502447371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830251221185 + 830251221186.

It is an arithmetic number, because the mean of its divisors is an integer number (830251221186).

Almost surely, 2^{1660502442371} is an apocalyptic number.

1660502442371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660502442371 is an equidigital number, since it uses as much as digits as its factorization.

1660502442371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1660502442371 in words is "one trillion, six hundred sixty billion, five hundred two million, four hundred forty-two thousand, three hundred seventy-one".