65525038976 has 16 divisors (see below), whose sum is σ = 130538163840. Its totient is φ = 32762519424.

The previous prime is 65525038939. The next prime is 65525038993. The reversal of 65525038976 is 67983052556.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255957056 + ... + 255957311.

It is an arithmetic number, because the mean of its divisors is an integer number (8158635240).

Almost surely, 2^65525038976 is an apocalyptic number.

It is an amenable number.

65525038976 is a deficient number, since it is larger than the sum of its proper divisors (65013124864).

65525038976 is an equidigital number, since it uses as much as digits as its factorization.

65525038976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511914381 (or 511914369 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 65525038976 in words is "sixty-five billion, five hundred twenty-five million, thirty-eight thousand, nine hundred seventy-six".