67864464016 has 40 divisors (see below), whose sum is σ = 135278134304. Its totient is φ = 32967855360.

The previous prime is 67864464013. The next prime is 67864464037. The reversal of 67864464016 is 61046446876.

It is not an unprimeable number, because it can be changed into a prime (67864464013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355350 + ... + 511861.

Almost surely, 2^67864464016 is an apocalyptic number.

It is an amenable number.

67864464016 is a deficient number, since it is larger than the sum of its proper divisors (67413670288).

67864464016 is a wasteful number, since it uses less digits than its factorization.

67864464016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867359 (or 867353 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 67864464016 in words is "sixty-seven billion, eight hundred sixty-four million, four hundred sixty-four thousand, sixteen".