64213414188018 has 16 divisors (see below), whose sum is σ = 132569629291776. Its totient is φ = 20714004576720.

The previous prime is 64213414187981. The next prime is 64213414188019. The reversal of 64213414188018 is 81088141431246.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64213414188019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172616704621 + ... + 172616704992.

It is an arithmetic number, because the mean of its divisors is an integer number (8285601830736).

Almost surely, 2^{64213414188018} is an apocalyptic number.

64213414188018 is an abundant number, since it is smaller than the sum of its proper divisors (68356215103758).

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

64213414188018 is a wasteful number, since it uses less digits than its factorization.

64213414188018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345233409649.

The product of its (nonzero) digits is 1179648, while the sum is 51.

The spelling of 64213414188018 in words is "sixty-four trillion, two hundred thirteen billion, four hundred fourteen million, one hundred eighty-eight thousand, eighteen".