1916807361823 has 2 divisors, whose sum is σ = 1916807361824. Its totient is φ = 1916807361822.

The previous prime is 1916807361809. The next prime is 1916807361863. The reversal of 1916807361823 is 3281637086191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1916807361823 - 2⁹ = 1916807361311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1916807361863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958403680911 + 958403680912.

It is an arithmetic number, because the mean of its divisors is an integer number (958403680912).

Almost surely, 2^{1916807361823} is an apocalyptic number.

1916807361823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916807361823 is an equidigital number, since it uses as much as digits as its factorization.

1916807361823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 1916807361823 in words is "one trillion, nine hundred sixteen billion, eight hundred seven million, three hundred sixty-one thousand, eight hundred twenty-three".