67218845348 has 12 divisors (see below), whose sum is σ = 117823636812. Its totient is φ = 33554949120.

The previous prime is 67218845329. The next prime is 67218845363. The reversal of 67218845348 is 84354881276.

It can be written as a sum of positive squares in 2 ways, for example, as 12248291584 + 54970553764 = 110672^2 + 234458^2 .

It is a super-2 number, since 2×67218845348² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67218845293 and 67218845302.

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 3 ways as a sum of consecutive naturals, for example, 13615613 + ... + 13620548.

It is an arithmetic number, because the mean of its divisors is an integer number (9818636401).

Almost surely, 2^67218845348 is an apocalyptic number.

It is an amenable number.

67218845348 is a deficient number, since it is larger than the sum of its proper divisors (50604791464).

67218845348 is a wasteful number, since it uses less digits than its factorization.

67218845348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27236782 (or 27236780 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The spelling of 67218845348 in words is "sixty-seven billion, two hundred eighteen million, eight hundred forty-five thousand, three hundred forty-eight".