3085217161 has 4 divisors (see below), whose sum is σ = 3322541572. Its totient is φ = 2847892752.

The previous prime is 3085217147. The next prime is 3085217167. The reversal of 3085217161 is 1617125803.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 445210000 + 2640007161 = 21100^2 + 51381^2 .

It is a cyclic number.

It is not a de Polignac number, because 3085217161 - 2¹⁷ = 3085086089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3085217167) 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, 118662186 + ... + 118662211.

It is an arithmetic number, because the mean of its divisors is an integer number (830635393).

Almost surely, 2^3085217161 is an apocalyptic number.

It is an amenable number.

3085217161 is a deficient number, since it is larger than the sum of its proper divisors (237324411).

3085217161 is a wasteful number, since it uses less digits than its factorization.

3085217161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237324410.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 3085217161 is about 55544.7311722723. The cubic root of 3085217161 is about 1455.7783156897.

The spelling of 3085217161 in words is "three billion, eighty-five million, two hundred seventeen thousand, one hundred sixty-one".