305006616042161 has 8 divisors (see below), whose sum is σ = 332739814985184. Its totient is φ = 277274304558720.

The previous prime is 305006616042133. The next prime is 305006616042173. The reversal of 305006616042161 is 161240616600503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305006616042161 is a prime.

It is a super-2 number, since 2×305006616042161² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305006616042361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221146175 + ... + 222521108.

It is an arithmetic number, because the mean of its divisors is an integer number (41592476873148).

Almost surely, 2^{305006616042161} is an apocalyptic number.

It is an amenable number.

305006616042161 is a deficient number, since it is larger than the sum of its proper divisors (27733198943023).

305006616042161 is a wasteful number, since it uses less digits than its factorization.

305006616042161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443729791.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 305006616042161 in words is "three hundred five trillion, six billion, six hundred sixteen million, forty-two thousand, one hundred sixty-one".