64418081446 has 8 divisors (see below), whose sum is σ = 96701283504. Its totient is φ = 32184320280.

The previous prime is 64418081417. The next prime is 64418081459.

64418081446 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64418081396 and 64418081405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12356965 + ... + 12362176.

It is an arithmetic number, because the mean of its divisors is an integer number (12087660438).

Almost surely, 2^64418081446 is an apocalyptic number.

64418081446 is a deficient number, since it is larger than the sum of its proper divisors (32283202058).

64418081446 is a wasteful number, since it uses less digits than its factorization.

64418081446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24720446.

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 64418081446 in words is "sixty-four billion, four hundred eighteen million, eighty-one thousand, four hundred forty-six".