1610356216065 has 16 divisors (see below), whose sum is σ = 2688594726528. Its totient is φ = 821515054976.

The previous prime is 1610356216033. The next prime is 1610356216081. The reversal of 1610356216065 is 5606126530161.

It is a cyclic number.

It is not a de Polignac number, because 1610356216065 - 2⁵ = 1610356216033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2333849244 + ... + 2333849933.

It is an arithmetic number, because the mean of its divisors is an integer number (168037170408).

Almost surely, 2^{1610356216065} is an apocalyptic number.

1610356216065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1610356216065 is a deficient number, since it is larger than the sum of its proper divisors (1078238510463).

1610356216065 is a wasteful number, since it uses less digits than its factorization.

1610356216065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667699208.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1610356216065 in words is "one trillion, six hundred ten billion, three hundred fifty-six million, two hundred sixteen thousand, sixty-five".