1916338662459 has 32 divisors (see below), whose sum is σ = 3063533760000. Its totient is φ = 1176921925920.

The previous prime is 1916338662443. The next prime is 1916338662503. The reversal of 1916338662459 is 9542668336191.

1916338662459 is a `hidden beast` number, since 1 + 9 + 1 + 6 + 3 + 386 + 6 + 245 + 9 = 666.

It is not a de Polignac number, because 1916338662459 - 2⁴ = 1916338662443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1916338662396 and 1916338662405.

It is not an unprimeable number, because it can be changed into a prime (1916338662439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5295447 + ... + 5645744.

It is an arithmetic number, because the mean of its divisors is an integer number (95735430000).

Almost surely, 2^{1916338662459} is an apocalyptic number.

1916338662459 is a deficient number, since it is larger than the sum of its proper divisors (1147195097541).

1916338662459 is a wasteful number, since it uses less digits than its factorization.

1916338662459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941712 (or 10941706 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 1916338662459 in words is "one trillion, nine hundred sixteen billion, three hundred thirty-eight million, six hundred sixty-two thousand, four hundred fifty-nine".