67401346668 has 48 divisors (see below), whose sum is σ = 158951457504. Its totient is φ = 22227056640.

The previous prime is 67401346667. The next prime is 67401346679. The reversal of 67401346668 is 86664310476.

It is a self number, because there is not a number n which added to its sum of digits gives 67401346668.

It is not an unprimeable number, because it can be changed into a prime (67401346667) 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 15 ways as a sum of consecutive naturals, for example, 3553546 + ... + 3572462.

It is an arithmetic number, because the mean of its divisors is an integer number (3311488698).

Almost surely, 2^67401346668 is an apocalyptic number.

It is an amenable number.

67401346668 is an abundant number, since it is smaller than the sum of its proper divisors (91550110836).

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

67401346668 is a wasteful number, since it uses less digits than its factorization.

67401346668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22082 (or 22080 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 67401346668 in words is "sixty-seven billion, four hundred one million, three hundred forty-six thousand, six hundred sixty-eight".