67085414891 has 16 divisors (see below), whose sum is σ = 74754344448. Its totient is φ = 59678652000.

The previous prime is 67085414873. The next prime is 67085414917. The reversal of 67085414891 is 19841458076.

It is not a de Polignac number, because 67085414891 - 2¹⁴ = 67085398507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67085410891) 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, 5537741 + ... + 5549841.

It is an arithmetic number, because the mean of its divisors is an integer number (4672146528).

Almost surely, 2^67085414891 is an apocalyptic number.

67085414891 is a deficient number, since it is larger than the sum of its proper divisors (7668929557).

67085414891 is a wasteful number, since it uses less digits than its factorization.

67085414891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22882.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 67085414891 in words is "sixty-seven billion, eighty-five million, four hundred fourteen thousand, eight hundred ninety-one".