1016778970303 has 4 divisors (see below), whose sum is σ = 1016782330408. Its totient is φ = 1016775610200.

The previous prime is 1016778970289. The next prime is 1016778970327. The reversal of 1016778970303 is 3030798776101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016778970303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016778970393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175673 + ... + 1848178.

It is an arithmetic number, because the mean of its divisors is an integer number (254195582602).

Almost surely, 2^{1016778970303} is an apocalyptic number.

1016778970303 is a deficient number, since it is larger than the sum of its proper divisors (3360105).

1016778970303 is an equidigital number, since it uses as much as digits as its factorization.

1016778970303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360104.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 1016778970303 in words is "one trillion, sixteen billion, seven hundred seventy-eight million, nine hundred seventy thousand, three hundred three".