65490648 has 16 divisors (see below), whose sum is σ = 163726680. Its totient is φ = 21830208.

The previous prime is 65490559. The next prime is 65490661. The reversal of 65490648 is 84609456.

It is a super-3 number, since 3×65490648³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364365 + ... + 1364412.

Almost surely, 2^65490648 is an apocalyptic number.

It is an amenable number.

65490648 is an abundant number, since it is smaller than the sum of its proper divisors (98236032).

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

65490648 is a wasteful number, since it uses less digits than its factorization.

65490648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728786 (or 2728782 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 65490648 is about 8092.6292390051. The cubic root of 65490648 is about 403.0817133018.

The spelling of 65490648 in words is "sixty-five million, four hundred ninety thousand, six hundred forty-eight".