67873371665 has 16 divisors (see below), whose sum is σ = 88996000320. Its totient is φ = 49282681920.

The previous prime is 67873371659. The next prime is 67873371673. The reversal of 67873371665 is 56617337876.

It is not a de Polignac number, because 67873371665 - 2¹⁶ = 67873306129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962774 + ... + 1030863.

It is an arithmetic number, because the mean of its divisors is an integer number (5562250020).

Almost surely, 2^67873371665 is an apocalyptic number.

It is an amenable number.

67873371665 is a deficient number, since it is larger than the sum of its proper divisors (21122628655).

67873371665 is a wasteful number, since it uses less digits than its factorization.

67873371665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994272.

The product of its digits is 26671680, while the sum is 59.

The spelling of 67873371665 in words is "sixty-seven billion, eight hundred seventy-three million, three hundred seventy-one thousand, six hundred sixty-five".