67064121264 has 120 divisors (see below), whose sum is σ = 204838810608. Its totient is φ = 18847019520.

The previous prime is 67064121217. The next prime is 67064121277. The reversal of 67064121264 is 46212146076.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90247 + ... + 377190.

Almost surely, 2^67064121264 is an apocalyptic number.

It is an amenable number.

67064121264 is an abundant number, since it is smaller than the sum of its proper divisors (137774689344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67064121264 is a wasteful number, since it uses less digits than its factorization.

67064121264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467523 (or 467510 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 67064121264 in words is "sixty-seven billion, sixty-four million, one hundred twenty-one thousand, two hundred sixty-four".