64216914 has 32 divisors (see below), whose sum is σ = 130680000. Its totient is φ = 21034944.

The previous prime is 64216913. The next prime is 64216921. The reversal of 64216914 is 41961246.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64216913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97117 + ... + 97775.

It is an arithmetic number, because the mean of its divisors is an integer number (4083750).

Almost surely, 2^64216914 is an apocalyptic number.

64216914 is an abundant number, since it is smaller than the sum of its proper divisors (66463086).

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

64216914 is a wasteful number, since it uses less digits than its factorization.

64216914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its digits is 10368, while the sum is 33.

The square root of 64216914 is about 8013.5456571982. The cubic root of 64216914 is about 400.4513945824.

The spelling of 64216914 in words is "sixty-four million, two hundred sixteen thousand, nine hundred fourteen".