67396833081 has 16 divisors (see below), whose sum is σ = 105720523200. Its totient is φ = 42288208704.

The previous prime is 67396833067. The next prime is 67396833109. The reversal of 67396833081 is 18033869376.

It is not a de Polignac number, because 67396833081 - 2⁶ = 67396833017 is a prime.

It is a super-2 number, since 2×67396833081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67396833011) by changing a digit.

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, 73416571 + ... + 73417488.

It is an arithmetic number, because the mean of its divisors is an integer number (6607532700).

Almost surely, 2^67396833081 is an apocalyptic number.

It is an amenable number.

67396833081 is a deficient number, since it is larger than the sum of its proper divisors (38323690119).

67396833081 is a wasteful number, since it uses less digits than its factorization.

67396833081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146834085 (or 146834079 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 67396833081 in words is "sixty-seven billion, three hundred ninety-six million, eight hundred thirty-three thousand, eighty-one".