64222116379 has 8 divisors (see below), whose sum is σ = 65275089152. Its totient is φ = 63177402600.

The previous prime is 64222116347. The next prime is 64222116389. The reversal of 64222116379 is 97361122246.

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

It is a cyclic number.

It is not a de Polignac number, because 64222116379 - 2⁵ = 64222116347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64222116389) 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, 2049069 + ... + 2080174.

It is an arithmetic number, because the mean of its divisors is an integer number (8159386144).

Almost surely, 2^64222116379 is an apocalyptic number.

64222116379 is a deficient number, since it is larger than the sum of its proper divisors (1052972773).

64222116379 is a wasteful number, since it uses less digits than its factorization.

64222116379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129497.

The product of its digits is 217728, while the sum is 43.

The spelling of 64222116379 in words is "sixty-four billion, two hundred twenty-two million, one hundred sixteen thousand, three hundred seventy-nine".