1016193901648 has 10 divisors (see below), whose sum is σ = 1968875684474. Its totient is φ = 508096950816.

The previous prime is 1016193901643. The next prime is 1016193901651. The reversal of 1016193901648 is 8461093916101.

It can be written as a sum of positive squares in only one way, i.e., 1011931378704 + 4262522944 = 1005948^2 + 65288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016193901643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31756059411 + ... + 31756059442.

Almost surely, 2^{1016193901648} is an apocalyptic number.

It is an amenable number.

1016193901648 is a deficient number, since it is larger than the sum of its proper divisors (952681782826).

1016193901648 is an equidigital number, since it uses as much as digits as its factorization.

1016193901648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63512118861 (or 63512118855 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 1016193901648 in words is "one trillion, sixteen billion, one hundred ninety-three million, nine hundred one thousand, six hundred forty-eight".