489585915872163 has 96 divisors (see below), whose sum is σ = 806777568559872. Its totient is φ = 294228218793600.

The previous prime is 489585915872159. The next prime is 489585915872227. The reversal of 489585915872163 is 361278519585984.

489585915872163 is a `hidden beast` number, since 4 + 8 + 9 + 5 + 8 + 5 + 9 + 1 + 587 + 21 + 6 + 3 = 666.

It is not a de Polignac number, because 489585915872163 - 2² = 489585915872159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (489585915872063) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 204865545 + ... + 207241557.

It is an arithmetic number, because the mean of its divisors is an integer number (8403933005832).

Almost surely, 2^{489585915872163} is an apocalyptic number.

489585915872163 is a deficient number, since it is larger than the sum of its proper divisors (317191652687709).

489585915872163 is a wasteful number, since it uses less digits than its factorization.

489585915872163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376687 (or 2376675 counting only the distinct ones).

The product of its digits is 5225472000, while the sum is 81.

The spelling of 489585915872163 in words is "four hundred eighty-nine trillion, five hundred eighty-five billion, nine hundred fifteen million, eight hundred seventy-two thousand, one hundred sixty-three".