1660503134701 has 2 divisors, whose sum is σ = 1660503134702. Its totient is φ = 1660503134700.

The previous prime is 1660503134699. The next prime is 1660503134743. The reversal of 1660503134701 is 1074313050661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1295567532900 + 364935601801 = 1138230^2 + 604099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1660503134701 - 2¹ = 1660503134699 is a prime.

Together with 1660503134699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660503134401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830251567350 + 830251567351.

It is an arithmetic number, because the mean of its divisors is an integer number (830251567351).

Almost surely, 2^{1660503134701} is an apocalyptic number.

It is an amenable number.

1660503134701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660503134701 is an equidigital number, since it uses as much as digits as its factorization.

1660503134701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 1660503134701 in words is "one trillion, six hundred sixty billion, five hundred three million, one hundred thirty-four thousand, seven hundred one".