1916480969784 has 96 divisors (see below), whose sum is σ = 5203907501520. Its totient is φ = 637173900288.

The previous prime is 1916480969729. The next prime is 1916480969833. The reversal of 1916480969784 is 4879690846191.

1916480969784 is a `hidden beast` number, since 1 + 9 + 1 + 6 + 480 + 9 + 69 + 7 + 84 = 666.

It is a super-2 number, since 2×1916480969784² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159209814 + ... + 159221850.

Almost surely, 2^{1916480969784} is an apocalyptic number.

It is an amenable number.

1916480969784 is an abundant number, since it is smaller than the sum of its proper divisors (3287426531736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916480969784 is a wasteful number, since it uses less digits than its factorization.

1916480969784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17589 (or 17582 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 1916480969784 in words is "one trillion, nine hundred sixteen billion, four hundred eighty million, nine hundred sixty-nine thousand, seven hundred eighty-four".