65565226946 has 8 divisors (see below), whose sum is σ = 99960100284. Its totient is φ = 32245193520.

The previous prime is 65565226921. The next prime is 65565227029. The reversal of 65565226946 is 64962256556.

It can be written as a sum of positive squares in 2 ways, for example, as 45876927721 + 19688299225 = 214189^2 + 140315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 65565226891 and 65565226900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268709825 + ... + 268710068.

Almost surely, 2^65565226946 is an apocalyptic number.

65565226946 is a deficient number, since it is larger than the sum of its proper divisors (34394873338).

65565226946 is a wasteful number, since it uses less digits than its factorization.

65565226946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537419956.

The product of its digits is 23328000, while the sum is 56.

The spelling of 65565226946 in words is "sixty-five billion, five hundred sixty-five million, two hundred twenty-six thousand, nine hundred forty-six".