65565050144 has 96 divisors (see below), whose sum is σ = 145579363776. Its totient is φ = 28808478720.

The previous prime is 65565050141. The next prime is 65565050249. The reversal of 65565050144 is 44105056556.

65565050144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65565050141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445864 + ... + 1490520.

It is an arithmetic number, because the mean of its divisors is an integer number (1516451706).

Almost surely, 2^65565050144 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 65565050144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72789681888).

65565050144 is an abundant number, since it is smaller than the sum of its proper divisors (80014313632).

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

65565050144 is a wasteful number, since it uses less digits than its factorization.

65565050144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44818 (or 44810 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 65565050144 in words is "sixty-five billion, five hundred sixty-five million, fifty thousand, one hundred forty-four".