65322164 has 6 divisors (see below), whose sum is σ = 114313794. Its totient is φ = 32661080.

The previous prime is 65322163. The next prime is 65322197. The reversal of 65322164 is 46122356.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 4169764 = 7820^2 + 2042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65322163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8165267 + ... + 8165274.

It is an arithmetic number, because the mean of its divisors is an integer number (19052299).

Almost surely, 2^65322164 is an apocalyptic number.

It is an amenable number.

65322164 is a deficient number, since it is larger than the sum of its proper divisors (48991630).

65322164 is a wasteful number, since it uses less digits than its factorization.

65322164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330545 (or 16330543 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 65322164 is about 8082.2128158073. The cubic root of 65322164 is about 402.7357547907.

The spelling of 65322164 in words is "sixty-five million, three hundred twenty-two thousand, one hundred sixty-four".