67144414748 has 24 divisors (see below), whose sum is σ = 119284701312. Its totient is φ = 33063308784.

The previous prime is 67144414739. The next prime is 67144414759. The reversal of 67144414748 is 84741444176.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67144414696 and 67144414705.

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, 1200911 + ... + 1255577.

It is an arithmetic number, because the mean of its divisors is an integer number (4970195888).

Almost surely, 2^67144414748 is an apocalyptic number.

It is an amenable number.

67144414748 is a deficient number, since it is larger than the sum of its proper divisors (52140286564).

67144414748 is a wasteful number, since it uses less digits than its factorization.

67144414748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59321 (or 59319 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 50.

The spelling of 67144414748 in words is "sixty-seven billion, one hundred forty-four million, four hundred fourteen thousand, seven hundred forty-eight".