64900168 has 8 divisors (see below), whose sum is σ = 121687830. Its totient is φ = 32450080.

The previous prime is 64900141. The next prime is 64900193. The reversal of 64900168 is 86100946.

64900168 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 only one way, i.e., 35545444 + 29354724 = 5962^2 + 5418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 4056253 + ... + 4056268.

Almost surely, 2^64900168 is an apocalyptic number.

It is an amenable number.

64900168 is a deficient number, since it is larger than the sum of its proper divisors (56787662).

64900168 is a wasteful number, since it uses less digits than its factorization.

64900168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112527 (or 8112523 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 64900168 is about 8056.0640513839. The cubic root of 64900168 is about 401.8666257213.

The spelling of 64900168 in words is "sixty-four million, nine hundred thousand, one hundred sixty-eight".