65118394 has 16 divisors (see below), whose sum is σ = 107122176. Its totient is φ = 29442400.

The previous prime is 65118379. The next prime is 65118401. The reversal of 65118394 is 49381156.

65118394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 3547 + ... + 11950.

It is an arithmetic number, because the mean of its divisors is an integer number (6695136).

Almost surely, 2^65118394 is an apocalyptic number.

65118394 is a deficient number, since it is larger than the sum of its proper divisors (42003782).

65118394 is a wasteful number, since it uses less digits than its factorization.

65118394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701.

The product of its digits is 25920, while the sum is 37.

The square root of 65118394 is about 8069.5968920387. The cubic root of 65118394 is about 402.3165456418.

It can be divided in two parts, 6 and 5118394, that added together give a triangular number (5118400 = T₃₁₉₉).

The spelling of 65118394 in words is "sixty-five million, one hundred eighteen thousand, three hundred ninety-four".