65650061227 has 4 divisors (see below), whose sum is σ = 65733480136. Its totient is φ = 65566642320.

The previous prime is 65650061221. The next prime is 65650061231. The reversal of 65650061227 is 72216005656.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65650061227 is a prime.

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 65650061227.

It is not an unprimeable number, because it can be changed into a prime (65650061221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41708274 + ... + 41709847.

It is an arithmetic number, because the mean of its divisors is an integer number (16433370034).

Almost surely, 2^65650061227 is an apocalyptic number.

65650061227 is a deficient number, since it is larger than the sum of its proper divisors (83418909).

65650061227 is an equidigital number, since it uses as much as digits as its factorization.

65650061227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83418908.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 65650061227 in words is "sixty-five billion, six hundred fifty million, sixty-one thousand, two hundred twenty-seven".