65853000000 has 588 divisors, whose sum is σ = 245583106496. Its totient is φ = 17496000000.

The previous prime is 65852999959. The next prime is 65853000023. The reversal of 65853000000 is 35856.

65853000000 is a `hidden beast` number, since 658 + 5 + 3 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 242999865 + ... + 243000135.

Almost surely, 2^65853000000 is an apocalyptic number.

65853000000 is a gapful number since it is divisible by the number (60) 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 65853000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122791553248).

65853000000 is an abundant number, since it is smaller than the sum of its proper divisors (179730106496).

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

65853000000 is an frugal number, since it uses more digits than its factorization.

65853000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 65853000000 its reverse (35856), we get a palindrome (65853035856).

The spelling of 65853000000 in words is "sixty-five billion, eight hundred fifty-three million", and thus it is an aban number.