65122116 has 12 divisors (see below), whose sum is σ = 151951632. Its totient is φ = 21707368.

The previous prime is 65122111. The next prime is 65122117. The reversal of 65122116 is 61122156.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (65122111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713410 + ... + 2713433.

It is an arithmetic number, because the mean of its divisors is an integer number (12662636).

Almost surely, 2^65122116 is an apocalyptic number.

It is an amenable number.

65122116 is an abundant number, since it is smaller than the sum of its proper divisors (86829516).

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

65122116 is a wasteful number, since it uses less digits than its factorization.

65122116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426850 (or 5426848 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 65122116 is about 8069.8275074502. The cubic root of 65122116 is about 402.3242106223.

The spelling of 65122116 in words is "sixty-five million, one hundred twenty-two thousand, one hundred sixteen".