64633316 has 12 divisors (see below), whose sum is σ = 123390960. Its totient is φ = 29378760.

The previous prime is 64633301. The next prime is 64633333. The reversal of 64633316 is 61333646.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734426 + ... + 734513.

It is an arithmetic number, because the mean of its divisors is an integer number (10282580).

Almost surely, 2^64633316 is an apocalyptic number.

It is an amenable number.

64633316 is a deficient number, since it is larger than the sum of its proper divisors (58757644).

64633316 is a wasteful number, since it uses less digits than its factorization.

64633316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468954 (or 1468952 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

The square root of 64633316 is about 8039.4848093643. The cubic root of 64633316 is about 401.3150800066.

It can be divided in two parts, 6463 and 3316, that added together give a palindrome (9779).

The spelling of 64633316 in words is "sixty-four million, six hundred thirty-three thousand, three hundred sixteen".