65315118 has 16 divisors (see below), whose sum is σ = 142505856. Its totient is φ = 19792440.

The previous prime is 65315111. The next prime is 65315119. The reversal of 65315118 is 81151356.

65315118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65315111) by changing a digit.

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, 494746 + ... + 494877.

It is an arithmetic number, because the mean of its divisors is an integer number (8906616).

Almost surely, 2^65315118 is an apocalyptic number.

65315118 is an abundant number, since it is smaller than the sum of its proper divisors (77190738).

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

65315118 is a wasteful number, since it uses less digits than its factorization.

65315118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989639.

The product of its digits is 3600, while the sum is 30.

The square root of 65315118 is about 8081.7769085765. The cubic root of 65315118 is about 402.7212738550.

The spelling of 65315118 in words is "sixty-five million, three hundred fifteen thousand, one hundred eighteen".