64636113 has 8 divisors (see below), whose sum is σ = 86944608. Its totient is φ = 42709184.

The previous prime is 64636109. The next prime is 64636123. The reversal of 64636113 is 31163646.

64636113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64636113 - 2² = 64636109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64636123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94995 + ... + 95672.

It is an arithmetic number, because the mean of its divisors is an integer number (10868076).

Almost surely, 2^64636113 is an apocalyptic number.

It is an amenable number.

64636113 is a deficient number, since it is larger than the sum of its proper divisors (22308495).

64636113 is a wasteful number, since it uses less digits than its factorization.

64636113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190783.

The product of its digits is 7776, while the sum is 30.

The square root of 64636113 is about 8039.6587614152. The cubic root of 64636113 is about 401.3208688791.

Adding to 64636113 its reverse (31163646), we get a palindrome (95799759).

The spelling of 64636113 in words is "sixty-four million, six hundred thirty-six thousand, one hundred thirteen".