64216353 has 16 divisors (see below), whose sum is σ = 89651520. Its totient is φ = 40832064.

The previous prime is 64216319. The next prime is 64216363. The reversal of 64216353 is 35361246.

It is not a de Polignac number, because 64216353 - 2⁶ = 64216289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64216353.

It is not an unprimeable number, because it can be changed into a prime (64216303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775 + ... + 11667.

It is an arithmetic number, because the mean of its divisors is an integer number (5603220).

Almost surely, 2^64216353 is an apocalyptic number.

It is an amenable number.

64216353 is a deficient number, since it is larger than the sum of its proper divisors (25435167).

64216353 is a wasteful number, since it uses less digits than its factorization.

64216353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008.

The product of its digits is 12960, while the sum is 30.

The square root of 64216353 is about 8013.5106538895. The cubic root of 64216353 is about 400.4502284624.

Adding to 64216353 its reverse (35361246), we get a palindrome (99577599).

The spelling of 64216353 in words is "sixty-four million, two hundred sixteen thousand, three hundred fifty-three".