65836457148 has 384 divisors, whose sum is σ = 208905338880. Its totient is φ = 15624161280.

The previous prime is 65836457119. The next prime is 65836457171. The reversal of 65836457148 is 84175463856.

65836457148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60234090 + ... + 60235182.

It is an arithmetic number, because the mean of its divisors is an integer number (544024320).

Almost surely, 2^65836457148 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 65836457148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104452669440).

65836457148 is an abundant number, since it is smaller than the sum of its proper divisors (143068881732).

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

65836457148 is a wasteful number, since it uses less digits than its factorization.

65836457148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 57.

The spelling of 65836457148 in words is "sixty-five billion, eight hundred thirty-six million, four hundred fifty-seven thousand, one hundred forty-eight".