67196771889 has 16 divisors (see below), whose sum is σ = 96495870912. Its totient is φ = 41348346048.

The previous prime is 67196771881. The next prime is 67196771909. The reversal of 67196771889 is 98817769176.

It is not a de Polignac number, because 67196771889 - 2³ = 67196771881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67196771881) 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, 436627 + ... + 570119.

It is an arithmetic number, because the mean of its divisors is an integer number (6030991932).

Almost surely, 2^67196771889 is an apocalyptic number.

It is an amenable number.

67196771889 is a deficient number, since it is larger than the sum of its proper divisors (29299099023).

67196771889 is a wasteful number, since it uses less digits than its factorization.

67196771889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146416.

The product of its digits is 64012032, while the sum is 69.

The spelling of 67196771889 in words is "sixty-seven billion, one hundred ninety-six million, seven hundred seventy-one thousand, eight hundred eighty-nine".