65328648455 has 16 divisors (see below), whose sum is σ = 89620314624. Its totient is φ = 44783417760.

The previous prime is 65328648433. The next prime is 65328648487. The reversal of 65328648455 is 55484682356.

It is a happy number.

It is not a de Polignac number, because 65328648455 - 2¹⁴ = 65328632071 is a prime.

It is a super-3 number, since 3×65328648455³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65328648455.

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 in 15 ways as a sum of consecutive naturals, for example, 158867 + ... + 394836.

It is an arithmetic number, because the mean of its divisors is an integer number (5601269664).

Almost surely, 2^65328648455 is an apocalyptic number.

65328648455 is a deficient number, since it is larger than the sum of its proper divisors (24291666169).

65328648455 is a wasteful number, since it uses less digits than its factorization.

65328648455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557086.

The product of its digits is 27648000, while the sum is 56.

The spelling of 65328648455 in words is "sixty-five billion, three hundred twenty-eight million, six hundred forty-eight thousand, four hundred fifty-five".