65500146544161 has 16 divisors (see below), whose sum is σ = 99925940096000. Its totient is φ = 37385082800208.

The previous prime is 65500146544093. The next prime is 65500146544247. The reversal of 65500146544161 is 16144564100556.

It is not a de Polignac number, because 65500146544161 - 2¹³ = 65500146535969 is a prime.

It is a super-2 number, since 2×65500146544161² (a number of 28 digits) contains 22 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 65500146544161.

It is not an unprimeable number, because it can be changed into a prime (65500146544561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1815496861 + ... + 1815532938.

It is an arithmetic number, because the mean of its divisors is an integer number (6245371256000).

Almost surely, 2^{65500146544161} is an apocalyptic number.

It is an amenable number.

65500146544161 is a deficient number, since it is larger than the sum of its proper divisors (34425793551839).

65500146544161 is a wasteful number, since it uses less digits than its factorization.

65500146544161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631030668.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 65500146544161 in words is "sixty-five trillion, five hundred billion, one hundred forty-six million, five hundred forty-four thousand, one hundred sixty-one".