64600013200 has 120 divisors (see below), whose sum is σ = 156312969536. Its totient is φ = 25655616000.

The previous prime is 64600013189. The next prime is 64600013201. The reversal of 64600013200 is 231000646.

It is not an unprimeable number, because it can be changed into a prime (64600013201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53255794 + ... + 53257006.

Almost surely, 2^64600013200 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 64600013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78156484768).

64600013200 is an abundant number, since it is smaller than the sum of its proper divisors (91712956336).

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

64600013200 is a wasteful number, since it uses less digits than its factorization.

64600013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 64600013200 its reverse (231000646), we get a palindrome (64831013846).

The spelling of 64600013200 in words is "sixty-four billion, six hundred million, thirteen thousand, two hundred".