64522165507285 has 16 divisors (see below), whose sum is σ = 80793782213760. Its totient is φ = 49372988322240.

The previous prime is 64522165507249. The next prime is 64522165507297. The reversal of 64522165507285 is 58270556122546.

It is not a de Polignac number, because 64522165507285 - 2²⁹ = 64521628636373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8924431 + ... + 14446099.

It is an arithmetic number, because the mean of its divisors is an integer number (5049611388360).

Almost surely, 2^{64522165507285} is an apocalyptic number.

It is an amenable number.

64522165507285 is a deficient number, since it is larger than the sum of its proper divisors (16271616706475).

64522165507285 is a wasteful number, since it uses less digits than its factorization.

64522165507285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623308.

The product of its (nonzero) digits is 40320000, while the sum is 58.

The spelling of 64522165507285 in words is "sixty-four trillion, five hundred twenty-two billion, one hundred sixty-five million, five hundred seven thousand, two hundred eighty-five".