1916680458875 has 128 divisors (see below), whose sum is σ = 3019547801088. Its totient is φ = 1182145536000.

The previous prime is 1916680458851. The next prime is 1916680458971. The reversal of 1916680458875 is 5788540866191.

It is not a de Polignac number, because 1916680458875 - 2¹⁰ = 1916680457851 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 472435847 + ... + 472439903.

It is an arithmetic number, because the mean of its divisors is an integer number (23590217196).

Almost surely, 2^{1916680458875} is an apocalyptic number.

1916680458875 is a deficient number, since it is larger than the sum of its proper divisors (1102867342213).

1916680458875 is a wasteful number, since it uses less digits than its factorization.

1916680458875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5146 (or 5136 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 68.

The spelling of 1916680458875 in words is "one trillion, nine hundred sixteen billion, six hundred eighty million, four hundred fifty-eight thousand, eight hundred seventy-five".