67571604994916 has 24 divisors (see below), whose sum is σ = 129001831489440. Its totient is φ = 30714010030400.

The previous prime is 67571604994871. The next prime is 67571604994921. The reversal of 67571604994916 is 61949940617576.

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, 5037470 + ... + 12669621.

It is an arithmetic number, because the mean of its divisors is an integer number (5375076312060).

Almost surely, 2^{67571604994916} is an apocalyptic number.

It is an amenable number.

67571604994916 is a deficient number, since it is larger than the sum of its proper divisors (61430226494524).

67571604994916 is a wasteful number, since it uses less digits than its factorization.

67571604994916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17793835 (or 17793833 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 74.

The spelling of 67571604994916 in words is "sixty-seven trillion, five hundred seventy-one billion, six hundred four million, nine hundred ninety-four thousand, nine hundred sixteen".