67056243964 has 24 divisors (see below), whose sum is σ = 126400555008. Its totient is φ = 31035847920.

The previous prime is 67056243959. The next prime is 67056243971. The reversal of 67056243964 is 46934265076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11753152 + ... + 11758855.

It is an arithmetic number, because the mean of its divisors is an integer number (5266689792).

Almost surely, 2^67056243964 is an apocalyptic number.

It is an amenable number.

67056243964 is a deficient number, since it is larger than the sum of its proper divisors (59344311044).

67056243964 is a wasteful number, since it uses less digits than its factorization.

67056243964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23512065 (or 23512063 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 67056243964 in words is "sixty-seven billion, fifty-six million, two hundred forty-three thousand, nine hundred sixty-four".