64322221159 has 24 divisors (see below), whose sum is σ = 80437743360. Its totient is φ = 51120233136.

The previous prime is 64322221157. The next prime is 64322221177. The reversal of 64322221159 is 95112222346.

It is not a de Polignac number, because 64322221159 - 2¹ = 64322221157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64322221151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 691237 + ... + 778750.

It is an arithmetic number, because the mean of its divisors is an integer number (3351572640).

Almost surely, 2^64322221159 is an apocalyptic number.

64322221159 is a deficient number, since it is larger than the sum of its proper divisors (16115522201).

64322221159 is a wasteful number, since it uses less digits than its factorization.

64322221159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470067 (or 1470060 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The spelling of 64322221159 in words is "sixty-four billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-nine".