65240168 has 24 divisors (see below), whose sum is σ = 142297650. Its totient is φ = 27959904.

The previous prime is 65240137. The next prime is 65240177. The reversal of 65240168 is 86104256.

It can be written as a sum of positive squares in only one way, i.e., 48413764 + 16826404 = 6958^2 + 4102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82823 + ... + 83606.

Almost surely, 2^65240168 is an apocalyptic number.

It is an amenable number.

65240168 is an abundant number, since it is smaller than the sum of its proper divisors (77057482).

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

65240168 is a wasteful number, since it uses less digits than its factorization.

65240168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166449 (or 166438 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 65240168 is about 8077.1386022527. The cubic root of 65240168 is about 402.5671721540.

The spelling of 65240168 in words is "sixty-five million, two hundred forty thousand, one hundred sixty-eight".