919316943668 has 12 divisors (see below), whose sum is σ = 1613944604580. Its totient is φ = 458189913792.

The previous prime is 919316943619. The next prime is 919316943737. The reversal of 919316943668 is 866349613919.

919316943668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153082822564 + 766234121104 = 391258^2 + 875348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367138103 + ... + 367140606.

It is an arithmetic number, because the mean of its divisors is an integer number (134495383715).

Almost surely, 2^919316943668 is an apocalyptic number.

It is an amenable number.

919316943668 is a deficient number, since it is larger than the sum of its proper divisors (694627660912).

919316943668 is a wasteful number, since it uses less digits than its factorization.

919316943668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734279026 (or 734279024 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 65.

The spelling of 919316943668 in words is "nine hundred nineteen billion, three hundred sixteen million, nine hundred forty-three thousand, six hundred sixty-eight".