1660716288059 has 2 divisors, whose sum is σ = 1660716288060. Its totient is φ = 1660716288058.

The previous prime is 1660716287983. The next prime is 1660716288073. The reversal of 1660716288059 is 9508826170661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1660716288059 - 2²⁴ = 1660699510843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1660716287989 and 1660716288007.

It is not a weakly prime, because it can be changed into another prime (1660716258059) 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 as a sum of consecutive naturals, namely, 830358144029 + 830358144030.

It is an arithmetic number, because the mean of its divisors is an integer number (830358144030).

Almost surely, 2^{1660716288059} is an apocalyptic number.

1660716288059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660716288059 is an equidigital number, since it uses as much as digits as its factorization.

1660716288059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 1660716288059 in words is "one trillion, six hundred sixty billion, seven hundred sixteen million, two hundred eighty-eight thousand, fifty-nine".