64545163306 has 32 divisors (see below), whose sum is σ = 105810425280. Its totient is φ = 29350975104.

The previous prime is 64545163289. The next prime is 64545163337. The reversal of 64545163306 is 60336154546.

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, 605581 + ... + 704143.

It is an arithmetic number, because the mean of its divisors is an integer number (3306575790).

Almost surely, 2^64545163306 is an apocalyptic number.

64545163306 is a deficient number, since it is larger than the sum of its proper divisors (41265261974).

64545163306 is a wasteful number, since it uses less digits than its factorization.

64545163306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98950.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 64545163306 in words is "sixty-four billion, five hundred forty-five million, one hundred sixty-three thousand, three hundred six".