1766948561363 has 4 divisors (see below), whose sum is σ = 1768383939168. Its totient is φ = 1765513183560.

The previous prime is 1766948561347. The next prime is 1766948561383. The reversal of 1766948561363 is 3631658496671.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1766948561363 - 2⁴ = 1766948561347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1766948561363.

It is not an unprimeable number, because it can be changed into a prime (1766948561333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717687056 + ... + 717689517.

It is an arithmetic number, because the mean of its divisors is an integer number (442095984792).

Almost surely, 2^{1766948561363} is an apocalyptic number.

1766948561363 is a deficient number, since it is larger than the sum of its proper divisors (1435377805).

1766948561363 is a wasteful number, since it uses less digits than its factorization.

1766948561363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435377804.

The product of its digits is 117573120, while the sum is 65.

The spelling of 1766948561363 in words is "one trillion, seven hundred sixty-six billion, nine hundred forty-eight million, five hundred sixty-one thousand, three hundred sixty-three".