65150540016 has 80 divisors (see below), whose sum is σ = 171565447680. Its totient is φ = 21296620800.

The previous prime is 65150540011. The next prime is 65150540057. The reversal of 65150540016 is 61004505156.

65150540016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65150540011) 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, 6484725 + ... + 6494763.

It is an arithmetic number, because the mean of its divisors is an integer number (2144568096).

Almost surely, 2^65150540016 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 65150540016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85782723840).

65150540016 is an abundant number, since it is smaller than the sum of its proper divisors (106414907664).

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

65150540016 is a wasteful number, since it uses less digits than its factorization.

65150540016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12654 (or 12648 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 65150540016 in words is "sixty-five billion, one hundred fifty million, five hundred forty thousand, sixteen".