67115679917056 has 99 divisors (see below), whose sum is σ = 140265336483363. Its totient is φ = 32095919708160.

The previous prime is 67115679917023. The next prime is 67115679917063. The reversal of 67115679917056 is 65071997651176.

The square root of 67115679917056 is 8192416.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6029612611 + ... + 6029623741.

Almost surely, 2^{67115679917056} is an apocalyptic number.

67115679917056 is the 8192416-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67115679917056

67115679917056 is an abundant number, since it is smaller than the sum of its proper divisors (73149656566307).

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

67115679917056 is an frugal number, since it uses more digits than its factorization.

67115679917056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22328 (or 11156 counting only the distinct ones).

The product of its (nonzero) digits is 150028200, while the sum is 70.

The spelling of 67115679917056 in words is "sixty-seven trillion, one hundred fifteen billion, six hundred seventy-nine million, nine hundred seventeen thousand, fifty-six".