67401546668 has 24 divisors (see below), whose sum is σ = 120579417840. Its totient is φ = 32956672320.

The previous prime is 67401546659. The next prime is 67401546691. The reversal of 67401546668 is 86664510476.

It is an unprimeable number.

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, 756158 + ... + 840581.

It is an arithmetic number, because the mean of its divisors is an integer number (5024142410).

Almost surely, 2^67401546668 is an apocalyptic number.

It is an amenable number.

67401546668 is a deficient number, since it is larger than the sum of its proper divisors (53177871172).

67401546668 is a wasteful number, since it uses less digits than its factorization.

67401546668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596977 (or 1596975 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 67401546668 in words is "sixty-seven billion, four hundred one million, five hundred forty-six thousand, six hundred sixty-eight".