67205120216 has 32 divisors (see below), whose sum is σ = 136041141600. Its totient is φ = 30940377600.

The previous prime is 67205120207. The next prime is 67205120291. The reversal of 67205120216 is 61202150276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764036 + ... + 847443.

It is an arithmetic number, because the mean of its divisors is an integer number (4251285675).

Almost surely, 2^67205120216 is an apocalyptic number.

It is an amenable number.

67205120216 is an abundant number, since it is smaller than the sum of its proper divisors (68836021384).

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

67205120216 is a wasteful number, since it uses less digits than its factorization.

67205120216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611899 (or 1611895 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 67205120216 in words is "sixty-seven billion, two hundred five million, one hundred twenty thousand, two hundred sixteen".