65105814 has 16 divisors (see below), whose sum is σ = 131675760. Its totient is φ = 21457920.

The previous prime is 65105813. The next prime is 65105819. The reversal of 65105814 is 41850156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65105813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60427 + ... + 61494.

It is an arithmetic number, because the mean of its divisors is an integer number (8229735).

Almost surely, 2^65105814 is an apocalyptic number.

65105814 is an abundant number, since it is smaller than the sum of its proper divisors (66569946).

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

65105814 is a wasteful number, since it uses less digits than its factorization.

65105814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122015.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 65105814 is about 8068.8173854661. The cubic root of 65105814 is about 402.2906365871.

The spelling of 65105814 in words is "sixty-five million, one hundred five thousand, eight hundred fourteen".