64168306 has 4 divisors (see below), whose sum is σ = 96252462. Its totient is φ = 32084152.

The previous prime is 64168297. The next prime is 64168327. The reversal of 64168306 is 60386146.

64168306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61074225 + 3094081 = 7815^2 + 1759^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16042075 + ... + 16042078.

Almost surely, 2^64168306 is an apocalyptic number.

64168306 is a deficient number, since it is larger than the sum of its proper divisors (32084156).

64168306 is a wasteful number, since it uses less digits than its factorization.

64168306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32084155.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 64168306 is about 8010.5122183291. The cubic root of 64168306 is about 400.3503305816.

The spelling of 64168306 in words is "sixty-four million, one hundred sixty-eight thousand, three hundred six".