1919482786116 has 81 divisors (see below), whose sum is σ = 5644364539359. Its totient is φ = 548407027728.

The previous prime is 1919482786087. The next prime is 1919482786121. The reversal of 1919482786116 is 6116872849191.

The square root of 1919482786116 is 1385454.

It is a perfect power (a square), and thus also a powerful number.

1919482786116 is a `hidden beast` number, since 1 + 9 + 1 + 9 + 4 + 8 + 2 + 7 + 8 + 611 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58172575 + ... + 58205561.

Almost surely, 2^{1919482786116} is an apocalyptic number.

1919482786116 is the 1385454-th square number.

It is an amenable number.

1919482786116 is an abundant number, since it is smaller than the sum of its proper divisors (3724881753243).

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

1919482786116 is an frugal number, since it uses more digits than its factorization.

1919482786116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65998 (or 32999 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 63.

The spelling of 1919482786116 in words is "one trillion, nine hundred nineteen billion, four hundred eighty-two million, seven hundred eighty-six thousand, one hundred sixteen".