65055132416 has 72 divisors (see below), whose sum is σ = 131487249600. Its totient is φ = 32119971840.

The previous prime is 65055132361. The next prime is 65055132433. The reversal of 65055132416 is 61423155056.

It is a self number, because there is not a number n which added to its sum of digits gives 65055132416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24354761 + ... + 24357431.

It is an arithmetic number, because the mean of its divisors is an integer number (1826211800).

Almost surely, 2^65055132416 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 65055132416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65743624800).

65055132416 is an abundant number, since it is smaller than the sum of its proper divisors (66432117184).

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

65055132416 is a wasteful number, since it uses less digits than its factorization.

65055132416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3831 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 65055132416 in words is "sixty-five billion, fifty-five million, one hundred thirty-two thousand, four hundred sixteen".