64052516065623 has 8 divisors (see below), whose sum is σ = 85438689209328. Its totient is φ = 42684010149504.

The previous prime is 64052516065591. The next prime is 64052516065627. The reversal of 64052516065623 is 32656061525046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64052516065623 - 2⁵ = 64052516065591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64052516065627) 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, 4416798436 + ... + 4416812937.

It is an arithmetic number, because the mean of its divisors is an integer number (10679836151166).

Almost surely, 2^{64052516065623} is an apocalyptic number.

64052516065623 is a deficient number, since it is larger than the sum of its proper divisors (21386173143705).

64052516065623 is a wasteful number, since it uses less digits than its factorization.

64052516065623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833613793.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 64052516065623 in words is "sixty-four trillion, fifty-two billion, five hundred sixteen million, sixty-five thousand, six hundred twenty-three".