30161768328 has 24 divisors (see below), whose sum is σ = 81688122750. Its totient is φ = 10053922752.

The previous prime is 30161768327. The next prime is 30161768347. The reversal of 30161768328 is 82386716103.

30161768328 is a `hidden beast` number, since 3 + 0 + 1 + 617 + 6 + 8 + 3 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29473335684 + 688432644 = 171678^2 + 26238^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (30161768327) 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, 209456653 + ... + 209456796.

Almost surely, 2^30161768328 is an apocalyptic number.

It is an amenable number.

30161768328 is an abundant number, since it is smaller than the sum of its proper divisors (51526354422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30161768328 is a wasteful number, since it uses less digits than its factorization.

30161768328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418913461 (or 418913454 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 30161768328 in words is "thirty billion, one hundred sixty-one million, seven hundred sixty-eight thousand, three hundred twenty-eight".