65113644 has 24 divisors (see below), whose sum is σ = 158538240. Its totient is φ = 20760784.

The previous prime is 65113637. The next prime is 65113663. The reversal of 65113644 is 44631156.

65113644 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, 117684 + ... + 118235.

It is an arithmetic number, because the mean of its divisors is an integer number (6605760).

Almost surely, 2^65113644 is an apocalyptic number.

It is an amenable number.

65113644 is an abundant number, since it is smaller than the sum of its proper divisors (93424596).

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

65113644 is a wasteful number, since it uses less digits than its factorization.

65113644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235949 (or 235947 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 65113644 is about 8069.3025720938. The cubic root of 65113644 is about 402.3067632033.

The spelling of 65113644 in words is "sixty-five million, one hundred thirteen thousand, six hundred forty-four".