65496648 has 192 divisors, whose sum is σ = 212198400. Its totient is φ = 16450560.

The previous prime is 65496647. The next prime is 65496653. The reversal of 65496648 is 84669456.

It is a happy number.

It is a Cunningham number, because it is equal to 8093²-1.

It is a junction number, because it is equal to n+sod(n) for n = 65496597 and 65496606.

It is not an unprimeable number, because it can be changed into a prime (65496647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 922453 + ... + 922523.

It is an arithmetic number, because the mean of its divisors is an integer number (1105200).

Almost surely, 2^65496648 is an apocalyptic number.

65496648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65496648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106099200).

65496648 is an abundant number, since it is smaller than the sum of its proper divisors (146701752).

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

65496648 is a wasteful number, since it uses less digits than its factorization.

65496648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 119 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 65496648 is about 8092.9999382182. Note that the first 4 decimals coincide. The cubic root of 65496648 is about 403.0940225220.

The spelling of 65496648 in words is "sixty-five million, four hundred ninety-six thousand, six hundred forty-eight".