64316651 has 8 divisors (see below), whose sum is σ = 74331360. Its totient is φ = 54508608.

The previous prime is 64316647. The next prime is 64316657. The reversal of 64316651 is 15661346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64316651 - 2² = 64316647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64316657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50996 + ... + 52241.

It is an arithmetic number, because the mean of its divisors is an integer number (9291420).

Almost surely, 2^64316651 is an apocalyptic number.

64316651 is a deficient number, since it is larger than the sum of its proper divisors (10014709).

64316651 is a wasteful number, since it uses less digits than its factorization.

64316651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103333.

The product of its digits is 12960, while the sum is 32.

The square root of 64316651 is about 8019.7662684146. The cubic root of 64316651 is about 400.6586045882.

Adding to 64316651 its reverse (15661346), we get a palindrome (79977997).

The spelling of 64316651 in words is "sixty-four million, three hundred sixteen thousand, six hundred fifty-one".