64064366212 has 144 divisors (see below), whose sum is σ = 148580449920. Its totient is φ = 23593489920.

The previous prime is 64064366203. The next prime is 64064366263. The reversal of 64064366212 is 21266346046.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39716718 + ... + 39718330.

It is an arithmetic number, because the mean of its divisors is an integer number (1031808680).

Almost surely, 2^64064366212 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 64064366212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74290224960).

64064366212 is an abundant number, since it is smaller than the sum of its proper divisors (84516083708).

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

64064366212 is a wasteful number, since it uses less digits than its factorization.

64064366212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 64064366212 in words is "sixty-four billion, sixty-four million, three hundred sixty-six thousand, two hundred twelve".