67641214676 has 24 divisors (see below), whose sum is σ = 135298443840. Its totient is φ = 28985660352.

The previous prime is 67641214559. The next prime is 67641214679.

It is a happy number.

67641214676 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67641214679) 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 7 ways as a sum of consecutive naturals, for example, 105335 + ... + 382593.

It is an arithmetic number, because the mean of its divisors is an integer number (5637435160).

Almost surely, 2^67641214676 is an apocalyptic number.

It is an amenable number.

67641214676 is an abundant number, since it is smaller than the sum of its proper divisors (67657229164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67641214676 is a wasteful number, since it uses less digits than its factorization.

67641214676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285983 (or 285981 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The spelling of 67641214676 in words is "sixty-seven billion, six hundred forty-one million, two hundred fourteen thousand, six hundred seventy-six".