65650326456 has 128 divisors (see below), whose sum is σ = 192913539840. Its totient is φ = 18354739200.

The previous prime is 65650326449. The next prime is 65650326481. The reversal of 65650326456 is 65462305656.

65650326456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10330576 + ... + 10336928.

It is an arithmetic number, because the mean of its divisors is an integer number (1507137030).

Almost surely, 2^65650326456 is an apocalyptic number.

65650326456 is a gapful number since it is divisible by the number (66) 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 65650326456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96456769920).

65650326456 is an abundant number, since it is smaller than the sum of its proper divisors (127263213384).

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

65650326456 is a wasteful number, since it uses less digits than its factorization.

65650326456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397 (or 9393 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 65650326456 in words is "sixty-five billion, six hundred fifty million, three hundred twenty-six thousand, four hundred fifty-six".