64216336 has 10 divisors (see below), whose sum is σ = 124419182. Its totient is φ = 32108160.

The previous prime is 64216319. The next prime is 64216363. The reversal of 64216336 is 63361246.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 1806336 = 7900^2 + 1344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64216298 and 64216307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006745 + ... + 2006776.

Almost surely, 2^64216336 is an apocalyptic number.

It is an amenable number.

64216336 is a deficient number, since it is larger than the sum of its proper divisors (60202846).

64216336 is a wasteful number, since it uses less digits than its factorization.

64216336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013529 (or 4013523 counting only the distinct ones).

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

The square root of 64216336 is about 8013.5095931808. The cubic root of 64216336 is about 400.4501931253.

The spelling of 64216336 in words is "sixty-four million, two hundred sixteen thousand, three hundred thirty-six".