65906348039520 has 96 divisors (see below), whose sum is σ = 207621640896768. Its totient is φ = 17573617079808.

The previous prime is 65906348039507. The next prime is 65906348039561. The reversal of 65906348039520 is 2593084360956.

It is a happy number.

65906348039520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495847 + ... + 11491673.

It is an arithmetic number, because the mean of its divisors is an integer number (2162725426008).

Almost surely, 2^{65906348039520} is an apocalyptic number.

65906348039520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65906348039520 is an abundant number, since it is smaller than the sum of its proper divisors (141715292857248).

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

65906348039520 is a wasteful number, since it uses less digits than its factorization.

65906348039520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008332 (or 11008324 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 65906348039520 in words is "sixty-five trillion, nine hundred six billion, three hundred forty-eight million, thirty-nine thousand, five hundred twenty".