64481164 has 12 divisors (see below), whose sum is σ = 123100488. Its totient is φ = 29309600.

The previous prime is 64481141. The next prime is 64481171. The reversal of 64481164 is 46118446.

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 3 ways as a sum of consecutive naturals, for example, 732697 + ... + 732784.

It is an arithmetic number, because the mean of its divisors is an integer number (10258374).

Almost surely, 2^64481164 is an apocalyptic number.

It is an amenable number.

64481164 is a deficient number, since it is larger than the sum of its proper divisors (58619324).

64481164 is a wasteful number, since it uses less digits than its factorization.

64481164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465496 (or 1465494 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 64481164 is about 8030.0164383393. The cubic root of 64481164 is about 400.9999233006. Note that the first 4 decimals are identical.

The spelling of 64481164 in words is "sixty-four million, four hundred eighty-one thousand, one hundred sixty-four".