64070632568 has 16 divisors (see below), whose sum is σ = 120216525000. Its totient is φ = 32012892576.

The previous prime is 64070632547. The next prime is 64070632721. The reversal of 64070632568 is 86523607046.

64070632568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790818 + ... + 2813681.

Almost surely, 2^64070632568 is an apocalyptic number.

It is an amenable number.

64070632568 is a deficient number, since it is larger than the sum of its proper divisors (56145892432).

64070632568 is a wasteful number, since it uses less digits than its factorization.

64070632568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605934 (or 5605930 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 64070632568 in words is "sixty-four billion, seventy million, six hundred thirty-two thousand, five hundred sixty-eight".