1916864947316 has 12 divisors (see below), whose sum is σ = 3659469444960. Its totient is φ = 871302248760.

The previous prime is 1916864947289. The next prime is 1916864947337. The reversal of 1916864947316 is 6137494686191.

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, 21782556176 + ... + 21782556263.

It is an arithmetic number, because the mean of its divisors is an integer number (304955787080).

Almost surely, 2^{1916864947316} is an apocalyptic number.

It is an amenable number.

1916864947316 is a deficient number, since it is larger than the sum of its proper divisors (1742604497644).

1916864947316 is a wasteful number, since it uses less digits than its factorization.

1916864947316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43565112454 (or 43565112452 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 65.

The spelling of 1916864947316 in words is "one trillion, nine hundred sixteen billion, eight hundred sixty-four million, nine hundred forty-seven thousand, three hundred sixteen".