65051402222665 has 16 divisors (see below), whose sum is σ = 78253493472000. Its totient is φ = 51913251004032.

The previous prime is 65051402222659. The next prime is 65051402222669. The reversal of 65051402222665 is 56622220415056.

It is a cyclic number.

It is not a de Polignac number, because 65051402222665 - 2¹⁵ = 65051402189897 is a prime.

It is a super-2 number, since 2×65051402222665² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65051402222669) 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, 242810074 + ... + 243077836.

It is an arithmetic number, because the mean of its divisors is an integer number (4890843342000).

Almost surely, 2^{65051402222665} is an apocalyptic number.

It is an amenable number.

65051402222665 is a deficient number, since it is larger than the sum of its proper divisors (13202091249335).

65051402222665 is a wasteful number, since it uses less digits than its factorization.

65051402222665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386976.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 65051402222665 in words is "sixty-five trillion, fifty-one billion, four hundred two million, two hundred twenty-two thousand, six hundred sixty-five".