65112018 has 32 divisors (see below), whose sum is σ = 138015360. Its totient is φ = 20442240.

The previous prime is 65112017. The next prime is 65112029. The reversal of 65112018 is 81021156.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65112017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571 + ... + 11697.

It is an arithmetic number, because the mean of its divisors is an integer number (4312980).

Almost surely, 2^65112018 is an apocalyptic number.

65112018 is an abundant number, since it is smaller than the sum of its proper divisors (72903342).

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

65112018 is a wasteful number, since it uses less digits than its factorization.

65112018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 65112018 is about 8069.2018192632. The cubic root of 65112018 is about 402.3034144108.

The spelling of 65112018 in words is "sixty-five million, one hundred twelve thousand, eighteen".