64634116 has 12 divisors (see below), whose sum is σ = 116166988. Its totient is φ = 31443552.

The previous prime is 64634111. The next prime is 64634131. The reversal of 64634116 is 61143646.

64634116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49000000 + 15634116 = 7000^2 + 3954^2 .

It is a super-2 number, since 2×64634116² = 8355137902202912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64634111) 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 3 ways as a sum of consecutive naturals, for example, 218211 + ... + 218506.

Almost surely, 2^64634116 is an apocalyptic number.

It is an amenable number.

64634116 is a deficient number, since it is larger than the sum of its proper divisors (51532872).

64634116 is a wasteful number, since it uses less digits than its factorization.

64634116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436758 (or 436756 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 64634116 is about 8039.5345636424. The cubic root of 64634116 is about 401.3167357612.

The spelling of 64634116 in words is "sixty-four million, six hundred thirty-four thousand, one hundred sixteen".