67348538121 has 16 divisors (see below), whose sum is σ = 95086450368. Its totient is φ = 42255168000.

The previous prime is 67348538069. The next prime is 67348538141. The reversal of 67348538121 is 12183584376.

It is not a de Polignac number, because 67348538121 - 2⁹ = 67348537609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67348538141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997566 + ... + 1062936.

It is an arithmetic number, because the mean of its divisors is an integer number (5942903148).

Almost surely, 2^67348538121 is an apocalyptic number.

It is an amenable number.

67348538121 is a deficient number, since it is larger than the sum of its proper divisors (27737912247).

67348538121 is a wasteful number, since it uses less digits than its factorization.

67348538121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85592.

The product of its digits is 967680, while the sum is 48.

The spelling of 67348538121 in words is "sixty-seven billion, three hundred forty-eight million, five hundred thirty-eight thousand, one hundred twenty-one".