67084494647328 has 48 divisors (see below), whose sum is σ = 195663109390560. Its totient is φ = 22361498215488.

The previous prime is 67084494647327. The next prime is 67084494647383. The reversal of 67084494647328 is 82374649448076.

67084494647328 is a `hidden beast` number, since 6 + 7 + 0 + 8 + 4 + 494 + 64 + 73 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (67084494647327) by changing a digit.

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, 38822044650 + ... + 38822046377.

It is an arithmetic number, because the mean of its divisors is an integer number (4076314778970).

Almost surely, 2^{67084494647328} is an apocalyptic number.

It is an amenable number.

67084494647328 is an abundant number, since it is smaller than the sum of its proper divisors (128578614743232).

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

67084494647328 is a wasteful number, since it uses less digits than its factorization.

67084494647328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77644091046 (or 77644091032 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 72.

The spelling of 67084494647328 in words is "sixty-seven trillion, eighty-four billion, four hundred ninety-four million, six hundred forty-seven thousand, three hundred twenty-eight".