65668852 has 6 divisors (see below), whose sum is σ = 114920498. Its totient is φ = 32834424.

The previous prime is 65668793. The next prime is 65668873. The reversal of 65668852 is 25886656.

It can be written as a sum of positive squares in only one way, i.e., 57851236 + 7817616 = 7606^2 + 2796^2 .

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, 8208603 + ... + 8208610.

Almost surely, 2^65668852 is an apocalyptic number.

It is an amenable number.

65668852 is a deficient number, since it is larger than the sum of its proper divisors (49251646).

65668852 is a wasteful number, since it uses less digits than its factorization.

65668852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417217 (or 16417215 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 65668852 is about 8103.6320252094. The cubic root of 65668852 is about 403.4469854039.

The spelling of 65668852 in words is "sixty-five million, six hundred sixty-eight thousand, eight hundred fifty-two".