335216246561 has 6 divisors (see below), whose sum is σ = 389945429730. Its totient is φ = 287328211296.

The previous prime is 335216246551. The next prime is 335216246569. The reversal of 335216246561 is 165642612533.

It can be written as a sum of positive squares in only one way, i.e., 205860930961 + 129355315600 = 453719^2 + 359660^2 .

It is not a de Polignac number, because 335216246561 - 2³⁴ = 318036377377 is a prime.

It is a super-2 number, since 2×335216246561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (335216246569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3420573896 + ... + 3420573993.

It is an arithmetic number, because the mean of its divisors is an integer number (64990904955).

Almost surely, 2^335216246561 is an apocalyptic number.

It is an amenable number.

335216246561 is a deficient number, since it is larger than the sum of its proper divisors (54729183169).

335216246561 is an equidigital number, since it uses as much as digits as its factorization.

335216246561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841147903 (or 6841147896 counting only the distinct ones).

The product of its digits is 777600, while the sum is 44.

The spelling of 335216246561 in words is "three hundred thirty-five billion, two hundred sixteen million, two hundred forty-six thousand, five hundred sixty-one".