65382164 has 6 divisors (see below), whose sum is σ = 114418794. Its totient is φ = 32691080.

The previous prime is 65382143. The next prime is 65382181. The reversal of 65382164 is 46128356.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 26419600 = 6242^2 + 5140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172767 + ... + 8172774.

It is an arithmetic number, because the mean of its divisors is an integer number (19069799).

Almost surely, 2^65382164 is an apocalyptic number.

It is an amenable number.

65382164 is a deficient number, since it is larger than the sum of its proper divisors (49036630).

65382164 is a wasteful number, since it uses less digits than its factorization.

65382164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345545 (or 16345543 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 65382164 is about 8085.9238185875. The cubic root of 65382164 is about 402.8590245923.

The spelling of 65382164 in words is "sixty-five million, three hundred eighty-two thousand, one hundred sixty-four".