65159935104 has 128 divisors (see below), whose sum is σ = 193207322880. Its totient is φ = 19286184960.

The previous prime is 65159935091. The next prime is 65159935201. The reversal of 65159935104 is 40153995156.

65159935104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2259 + ... + 361005.

It is an arithmetic number, because the mean of its divisors is an integer number (1509432210).

Almost surely, 2^65159935104 is an apocalyptic number.

65159935104 is a gapful number since it is divisible by the number (64) 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 65159935104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96603661440).

65159935104 is an abundant number, since it is smaller than the sum of its proper divisors (128047387776).

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

65159935104 is a wasteful number, since it uses less digits than its factorization.

65159935104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358818 (or 358806 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 65159935104 in words is "sixty-five billion, one hundred fifty-nine million, nine hundred thirty-five thousand, one hundred four".