67020660171 has 48 divisors (see below), whose sum is σ = 101922508800. Its totient is φ = 43525055376.

The previous prime is 67020660151. The next prime is 67020660191. The reversal of 67020660171 is 17106602076.

It is an interprime number because it is at equal distance from previous prime (67020660151) and next prime (67020660191).

It is not a de Polignac number, because 67020660171 - 2¹¹ = 67020658123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67020660151) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 13297870 + ... + 13302908.

It is an arithmetic number, because the mean of its divisors is an integer number (2123385600).

Almost surely, 2^67020660171 is an apocalyptic number.

67020660171 is a deficient number, since it is larger than the sum of its proper divisors (34901848629).

67020660171 is a wasteful number, since it uses less digits than its factorization.

67020660171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 67020660171 in words is "sixty-seven billion, twenty million, six hundred sixty thousand, one hundred seventy-one".