64336216 has 48 divisors (see below), whose sum is σ = 143783640. Its totient is φ = 26893440.

The previous prime is 64336199. The next prime is 64336241. The reversal of 64336216 is 61263346.

64336216 = T₁₇₅₁ + T₁₇₅₂ + ... + T₁₇₉₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14071 + ... + 18073.

Almost surely, 2^64336216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64336216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71891820).

64336216 is an abundant number, since it is smaller than the sum of its proper divisors (79447424).

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

64336216 is a wasteful number, since it uses less digits than its factorization.

64336216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064 (or 4053 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 64336216 is about 8020.9859743052. The cubic root of 64336216 is about 400.6992269918.

The spelling of 64336216 in words is "sixty-four million, three hundred thirty-six thousand, two hundred sixteen".