64973164 has 6 divisors (see below), whose sum is σ = 113703044. Its totient is φ = 32486580.

The previous prime is 64973159. The next prime is 64973171. The reversal of 64973164 is 46137946.

It is an unprimeable number.

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

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8121642 + ... + 8121649.

Almost surely, 2^64973164 is an apocalyptic number.

It is an amenable number.

64973164 is a deficient number, since it is larger than the sum of its proper divisors (48729880).

64973164 is a wasteful number, since it uses less digits than its factorization.

64973164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16243295 (or 16243293 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 64973164 is about 8060.5932784132. The cubic root of 64973164 is about 402.0172348081.

The spelling of 64973164 in words is "sixty-four million, nine hundred seventy-three thousand, one hundred sixty-four".