65488194 has 12 divisors (see below), whose sum is σ = 141891126. Its totient is φ = 21829392.

The previous prime is 65488139. The next prime is 65488201. The reversal of 65488194 is 49188456.

65488194 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., 50765625 + 14722569 = 7125^2 + 3837^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 1819099 + ... + 1819134.

Almost surely, 2^65488194 is an apocalyptic number.

65488194 is an abundant number, since it is smaller than the sum of its proper divisors (76402932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65488194 is a wasteful number, since it uses less digits than its factorization.

65488194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638241 (or 3638238 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 65488194 is about 8092.4776181340. The cubic root of 65488194 is about 403.0766786141.

The spelling of 65488194 in words is "sixty-five million, four hundred eighty-eight thousand, one hundred ninety-four".