65490668 has 6 divisors (see below), whose sum is σ = 114608676. Its totient is φ = 32745332.

The previous prime is 65490661. The next prime is 65490721. The reversal of 65490668 is 86609456.

It is not an unprimeable number, because it can be changed into a prime (65490661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8186330 + ... + 8186337.

It is an arithmetic number, because the mean of its divisors is an integer number (19101446).

Almost surely, 2^65490668 is an apocalyptic number.

It is an amenable number.

65490668 is a deficient number, since it is larger than the sum of its proper divisors (49118008).

65490668 is a wasteful number, since it uses less digits than its factorization.

65490668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372671 (or 16372669 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 65490668 is about 8092.6304746973. The cubic root of 65490668 is about 403.0817543338.

The spelling of 65490668 in words is "sixty-five million, four hundred ninety thousand, six hundred sixty-eight".