65540316 has 24 divisors (see below), whose sum is σ = 153077904. Its totient is φ = 21825280.

The previous prime is 65540309. The next prime is 65540341. The reversal of 65540316 is 61304556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (6378246).

Almost surely, 2^65540316 is an apocalyptic number.

It is an amenable number.

65540316 is an abundant number, since it is smaller than the sum of its proper divisors (87537588).

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

65540316 is a wasteful number, since it uses less digits than its factorization.

65540316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381 (or 5379 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 65540316 is about 8095.6973757670. The cubic root of 65540316 is about 403.1835863893.

It can be divided in two parts, 65540 and 316, that added together give a palindrome (65856).

The spelling of 65540316 in words is "sixty-five million, five hundred forty thousand, three hundred sixteen".