65423344896 has 972 divisors, whose sum is σ = 248346588672. Its totient is φ = 17118646272.

The previous prime is 65423344843. The next prime is 65423344963. The reversal of 65423344896 is 69844332456.

65423344896 is a `hidden beast` number, since 6 + 542 + 3 + 3 + 4 + 4 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (972).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 515144385 + ... + 515144511.

Almost surely, 2^65423344896 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 65423344896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124173294336).

65423344896 is an abundant number, since it is smaller than the sum of its proper divisors (182923243776).

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

65423344896 is a wasteful number, since it uses less digits than its factorization.

65423344896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 152 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 65423344896 in words is "sixty-five billion, four hundred twenty-three million, three hundred forty-four thousand, eight hundred ninety-six".