67329891871 has 16 divisors (see below), whose sum is σ = 74320485120. Its totient is φ = 60485071680.

The previous prime is 67329891851. The next prime is 67329891949. The reversal of 67329891871 is 17819892376.

It is not a de Polignac number, because 67329891871 - 2²⁵ = 67296337439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67329891821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690630 + ... + 1729996.

It is an arithmetic number, because the mean of its divisors is an integer number (4645030320).

Almost surely, 2^67329891871 is an apocalyptic number.

67329891871 is a deficient number, since it is larger than the sum of its proper divisors (6990593249).

67329891871 is a wasteful number, since it uses less digits than its factorization.

67329891871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41214.

The product of its digits is 9144576, while the sum is 61.

The spelling of 67329891871 in words is "sixty-seven billion, three hundred twenty-nine million, eight hundred ninety-one thousand, eight hundred seventy-one".