65648808 has 96 divisors (see below), whose sum is σ = 192067200. Its totient is φ = 20194944.

The previous prime is 65648789. The next prime is 65648813. The reversal of 65648808 is 80884656.

65648808 is a `hidden beast` number, since 6 + 564 + 8 + 80 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47341 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^65648808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65648808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96033600).

65648808 is an abundant number, since it is smaller than the sum of its proper divisors (126418392).

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

65648808 is a wasteful number, since it uses less digits than its factorization.

65648808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 65648808 is about 8102.3952014204. The cubic root of 65648808 is about 403.4059333981.

The spelling of 65648808 in words is "sixty-five million, six hundred forty-eight thousand, eight hundred eight".