64222130666600 has 96 divisors (see below), whose sum is σ = 149698969992000. Its totient is φ = 25623076247040.

The previous prime is 64222130666587. The next prime is 64222130666611. The reversal of 64222130666600 is 666603122246.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315363611 + ... + 315567189.

It is an arithmetic number, because the mean of its divisors is an integer number (1559364270750).

Almost surely, 2^{64222130666600} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64222130666600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74849484996000).

64222130666600 is an abundant number, since it is smaller than the sum of its proper divisors (85476839325400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64222130666600 is a wasteful number, since it uses less digits than its factorization.

64222130666600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207627 (or 207618 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

Adding to 64222130666600 its reverse (666603122246), we get a palindrome (64888733788846).

The spelling of 64222130666600 in words is "sixty-four trillion, two hundred twenty-two billion, one hundred thirty million, six hundred sixty-six thousand, six hundred".