64968128 has 14 divisors (see below), whose sum is σ = 128921256. Its totient is φ = 32484032.

The previous prime is 64968119. The next prime is 64968133. The reversal of 64968128 is 82186946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507500 + ... + 507627.

Almost surely, 2^64968128 is an apocalyptic number.

It is an amenable number.

64968128 is a deficient number, since it is larger than the sum of its proper divisors (63953128).

64968128 is a wasteful number, since it uses less digits than its factorization.

64968128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015139 (or 1015129 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 64968128 is about 8060.2808884058. The cubic root of 64968128 is about 402.0068478987.

The spelling of 64968128 in words is "sixty-four million, nine hundred sixty-eight thousand, one hundred twenty-eight".