65316849 has 16 divisors (see below), whose sum is σ = 97867392. Its totient is φ = 38446848.

The previous prime is 65316847. The next prime is 65316857. The reversal of 65316849 is 94861356.

It is not a de Polignac number, because 65316849 - 2¹ = 65316847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65316849.

It is not an unprimeable number, because it can be changed into a prime (65316841) 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, 35512 + ... + 37305.

It is an arithmetic number, because the mean of its divisors is an integer number (6116712).

Almost surely, 2^65316849 is an apocalyptic number.

65316849 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

65316849 is a deficient number, since it is larger than the sum of its proper divisors (32550543).

65316849 is a wasteful number, since it uses less digits than its factorization.

65316849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72856.

The product of its digits is 155520, while the sum is 42.

The square root of 65316849 is about 8081.8840006523. The cubic root of 65316849 is about 402.7248315018.

The spelling of 65316849 in words is "sixty-five million, three hundred sixteen thousand, eight hundred forty-nine".