64663350 has 48 divisors (see below), whose sum is σ = 167346432. Its totient is φ = 16492960.

The previous prime is 64663349. The next prime is 64663363. The reversal of 64663350 is 5336646.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5922 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (3486384).

Almost surely, 2^64663350 is an apocalyptic number.

64663350 is an abundant number, since it is smaller than the sum of its proper divisors (102683082).

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

64663350 is a wasteful number, since it uses less digits than its factorization.

64663350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18781 (or 18776 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 64663350 is about 8041.3524981809. The cubic root of 64663350 is about 401.3772318058.

Adding to 64663350 its reverse (5336646), we get a palindrome (69999996).

The spelling of 64663350 in words is "sixty-four million, six hundred sixty-three thousand, three hundred fifty".