67219920804 has 12 divisors (see below), whose sum is σ = 156846481904. Its totient is φ = 22406640264.

The previous prime is 67219920799. The next prime is 67219920821. The reversal of 67219920804 is 40802991276.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800830022 + ... + 2800830045.

Almost surely, 2^67219920804 is an apocalyptic number.

It is an amenable number.

67219920804 is an abundant number, since it is smaller than the sum of its proper divisors (89626561100).

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

67219920804 is a wasteful number, since it uses less digits than its factorization.

67219920804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601660074 (or 5601660072 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 67219920804 in words is "sixty-seven billion, two hundred nineteen million, nine hundred twenty thousand, eight hundred four".