65265516442350 has 216 divisors, whose sum is σ = 204700626232128. Its totient is φ = 14864742547200.

The previous prime is 65265516442319. The next prime is 65265516442351. The reversal of 65265516442350 is 5324461556256.

65265516442350 is a `hidden beast` number, since 6 + 5 + 2 + 6 + 5 + 5 + 164 + 423 + 50 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65265516442351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 929347 + ... + 11462753.

It is an arithmetic number, because the mean of its divisors is an integer number (947688084408).

Almost surely, 2^{65265516442350} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65265516442350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102350313116064).

65265516442350 is an abundant number, since it is smaller than the sum of its proper divisors (139435109789778).

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

65265516442350 is a wasteful number, since it uses less digits than its factorization.

65265516442350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533720 (or 10533705 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 65265516442350 in words is "sixty-five trillion, two hundred sixty-five billion, five hundred sixteen million, four hundred forty-two thousand, three hundred fifty".